Basic Linux Commands Cheat Sheet Pdf

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  basic linux commands cheat sheet pdf: The Linux Command Line, 2nd Edition William Shotts, 2019-03-05 You've experienced the shiny, point-and-click surface of your Linux computer--now dive below and explore its depths with the power of the command line. The Linux Command Line takes you from your very first terminal keystrokes to writing full programs in Bash, the most popular Linux shell (or command line). Along the way you'll learn the timeless skills handed down by generations of experienced, mouse-shunning gurus: file navigation, environment configuration, command chaining, pattern matching with regular expressions, and more. In addition to that practical knowledge, author William Shotts reveals the philosophy behind these tools and the rich heritage that your desktop Linux machine has inherited from Unix supercomputers of yore. As you make your way through the book's short, easily-digestible chapters, you'll learn how to: • Create and delete files, directories, and symlinks • Administer your system, including networking, package installation, and process management • Use standard input and output, redirection, and pipelines • Edit files with Vi, the world's most popular text editor • Write shell scripts to automate common or boring tasks • Slice and dice text files with cut, paste, grep, patch, and sed Once you overcome your initial shell shock, you'll find that the command line is a natural and expressive way to communicate with your computer. Just don't be surprised if your mouse starts to gather dust.
  basic linux commands cheat sheet pdf: Perl One-Liners Peteris Krumins, 2013-11-13 Part of the fun of programming in Perl lies in tackling tedious tasks with short, efficient, and reusable code. Often, the perfect tool is the one-liner, a small but powerful program that fits in one line of code and does one thing really well. In Perl One-Liners, author and impatient hacker Peteris Krumins takes you through more than 100 compelling one-liners that do all sorts of handy things, such as manipulate line spacing, tally column values in a table, and get a list of users on a system. This cookbook of useful, customizable, and fun scripts will even help hone your Perl coding skills, as Krumins dissects the code to give you a deeper understanding of the language. You'll find one-liners that: * Encode, decode, and convert strings * Generate random passwords * Calculate sums, factorials, and the mathematical constants π and e * Add or remove spaces * Number lines in a file * Print lines that match a specific pattern * Check to see if a number is prime with a regular expression * Convert IP address to decimal form * Replace one string with another And many more! Save time and sharpen your coding skills as you learn to conquer those pesky tasks in a few precisely placed keystrokes with Perl One-Liners.
  basic linux commands cheat sheet pdf: Linux in Action David Clinton, 2018-08-19 Summary Linux in Action is a task-based tutorial that will give you the skills and deep understanding you need to administer a Linux-based system. This hands-on book guides you through 12 real-world projects so you can practice as you learn. Each chapter ends with a review of best practices, new terms, and exercises. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the Technology You can't learn anything without getting your hands dirty including Linux. Skills like securing files, folders, and servers, safely installing patches and applications, and managing a network are required for any serious user, including developers, administrators, and DevOps professionals. With this hands-on tutorial, you'll roll up your sleeves and learn Linux project by project. About the Book Linux in Action guides you through 12 real-world projects, including automating a backup-and-restore system, setting up a private Dropbox-style file cloud, and building your own MediaWiki server. You'll try out interesting examples as you lock in core practices like virtualization, disaster recovery, security, backup, DevOps, and system troubleshooting. Each chapter ends with a review of best practices, new terms, and exercises. What's inside Setting up a safe Linux environment Managing secure remote connectivity Building a system recovery device Patching and upgrading your system About the Reader No prior Linux admin experience is required. About the Author David Clinton is a certified Linux Server Professional, seasoned instructor, and author of Manning's bestselling Learn Amazon Web Services in a Month of Lunches. Table of Contents Welcome to Linux Linux virtualization: Building a Linux working environment Remote connectivity: Safely accessing networked machines Archive management: Backing up or copying entire file systems Automated administration: Configuring automated offsite backups Emergency tools: Building a system recovery device Web servers: Building a MediaWiki server Networked file sharing: Building a Nextcloud file-sharing server Securing your web server Securing network connections: Creating a VPN or DMZ System monitoring: Working with log files Sharing data over a private network Troubleshooting system performance issues Troubleshooting network issues Troubleshooting peripheral devices DevOps tools: Deploying a scripted server environment using Ansible
  basic linux commands cheat sheet pdf: Linux Basics for Hackers OccupyTheWeb, 2018-12-04 This practical, tutorial-style book uses the Kali Linux distribution to teach Linux basics with a focus on how hackers would use them. Topics include Linux command line basics, filesystems, networking, BASH basics, package management, logging, and the Linux kernel and drivers. If you're getting started along the exciting path of hacking, cybersecurity, and pentesting, Linux Basics for Hackers is an excellent first step. Using Kali Linux, an advanced penetration testing distribution of Linux, you'll learn the basics of using the Linux operating system and acquire the tools and techniques you'll need to take control of a Linux environment. First, you'll learn how to install Kali on a virtual machine and get an introduction to basic Linux concepts. Next, you'll tackle broader Linux topics like manipulating text, controlling file and directory permissions, and managing user environment variables. You'll then focus in on foundational hacking concepts like security and anonymity and learn scripting skills with bash and Python. Practical tutorials and exercises throughout will reinforce and test your skills as you learn how to: - Cover your tracks by changing your network information and manipulating the rsyslog logging utility - Write a tool to scan for network connections, and connect and listen to wireless networks - Keep your internet activity stealthy using Tor, proxy servers, VPNs, and encrypted email - Write a bash script to scan open ports for potential targets - Use and abuse services like MySQL, Apache web server, and OpenSSH - Build your own hacking tools, such as a remote video spy camera and a password cracker Hacking is complex, and there is no single way in. Why not start at the beginning with Linux Basics for Hackers?
  basic linux commands cheat sheet pdf: Linux Commands Cheat Sheet Brandon Poole Sr, 2021-01-01 - Linux Commands Cheat Sheet - Unix / Linux Command References - Basic Linux Commands - Plus more -- About The Author -- - Creator, Chief Software Architect @ BoSS AppZ - The Real Tank from the #Matrix movie! - Expert in Open Source Software. - BiZ9 Framework - #Certified CoderZ -- LinkZ: - bossappz.com - medium.com/bossappz - twitter.com/boss_appz - tictok.com/bossappz - instagram.com/bossappz_showcase - facebook.com/bossappz - - - certifiedcoderz.com - instagram.com/tank9code - youtube.com/tank9code - tictok.com/tank9code - twitch.com/tank9code - twitter.com/tank9code - medium.com/@tank9code - blogpost.com/certifiedcoderz - blogpost.com/tank9code - facebook.com/tank9code
  basic linux commands cheat sheet pdf: Linux For Dummies Richard Blum, 2009-07-17 One of the fastest ways to learn Linux is with this perennial favorite Eight previous top-selling editions of Linux For Dummies can't be wrong. If you've been wanting to migrate to Linux, this book is the best way to get there. Written in easy-to-follow, everyday terms, Linux For Dummies 9th Edition gets you started by concentrating on two distributions of Linux that beginners love: the Ubuntu LiveCD distribution and the gOS Linux distribution, which comes pre-installed on Everex computers. The book also covers the full Fedora distribution. Linux is an open-source operating system and a low-cost or free alternative to Microsoft Windows; of numerous distributions of Linux, this book covers Ubuntu Linux, Fedora Core Linux, and gOS Linux, and includes them on the DVD. Install new open source software via Synaptic or RPM package managers Use free software to browse the Web, listen to music, read e-mail, edit photos, and even run Windows in a virtualized environment Get acquainted with the Linux command line If you want to get a solid foundation in Linux, this popular, accessible book is for you. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.
  basic linux commands cheat sheet pdf: The Linux Programming Interface Michael Kerrisk, 2010-10-01 The Linux Programming Interface (TLPI) is the definitive guide to the Linux and UNIX programming interface—the interface employed by nearly every application that runs on a Linux or UNIX system. In this authoritative work, Linux programming expert Michael Kerrisk provides detailed descriptions of the system calls and library functions that you need in order to master the craft of system programming, and accompanies his explanations with clear, complete example programs. You'll find descriptions of over 500 system calls and library functions, and more than 200 example programs, 88 tables, and 115 diagrams. You'll learn how to: –Read and write files efficiently –Use signals, clocks, and timers –Create processes and execute programs –Write secure programs –Write multithreaded programs using POSIX threads –Build and use shared libraries –Perform interprocess communication using pipes, message queues, shared memory, and semaphores –Write network applications with the sockets API While The Linux Programming Interface covers a wealth of Linux-specific features, including epoll, inotify, and the /proc file system, its emphasis on UNIX standards (POSIX.1-2001/SUSv3 and POSIX.1-2008/SUSv4) makes it equally valuable to programmers working on other UNIX platforms. The Linux Programming Interface is the most comprehensive single-volume work on the Linux and UNIX programming interface, and a book that's destined to become a new classic.
  basic linux commands cheat sheet pdf: Advanced Bash Scripting Guide Mendel Cooper, 2014
  basic linux commands cheat sheet pdf: Pro Git Scott Chacon, Ben Straub, 2014-11-18 Pro Git (Second Edition) is your fully-updated guide to Git and its usage in the modern world. Git has come a long way since it was first developed by Linus Torvalds for Linux kernel development. It has taken the open source world by storm since its inception in 2005, and this book teaches you how to use it like a pro. Effective and well-implemented version control is a necessity for successful web projects, whether large or small. With this book you’ll learn how to master the world of distributed version workflow, use the distributed features of Git to the full, and extend Git to meet your every need. Written by Git pros Scott Chacon and Ben Straub, Pro Git (Second Edition) builds on the hugely successful first edition, and is now fully updated for Git version 2.0, as well as including an indispensable chapter on GitHub. It’s the best book for all your Git needs.
  basic linux commands cheat sheet pdf: Linux Pocket Guide Daniel J. Barrett, 2004-02-18 O'Reilly's Pocket Guides have earned a reputation as inexpensive, comprehensive, and compact guides that have the stuff but not the fluff. Every page of Linux Pocket Guide lives up to this billing. It clearly explains how to get up to speed quickly on day-to-day Linux use. Once you're up and running, Linux Pocket Guide provides an easy-to-use reference that you can keep by your keyboard for those times when you want a fast, useful answer, not hours in the man pages.Linux Pocket Guide is organized the way you use Linux: by function, not just alphabetically. It's not the 'bible of Linux; it's a practical and concise guide to the options and commands you need most. It starts with general concepts like files and directories, the shell, and X windows, and then presents detailed overviews of the most essential commands, with clear examples. You'll learn each command's purpose, usage, options, location on disk, and even the RPM package that installed it.The Linux Pocket Guide is tailored to Fedora Linux--the latest spin-off of Red Hat Linux--but most of the information applies to any Linux system.Throw in a host of valuable power user tips and a friendly and accessible style, and you'll quickly find this practical, to-the-point book a small but mighty resource for Linux users.
  basic linux commands cheat sheet pdf: Slackermedia Seth Kenlon, 2012-09-01 Learn how to build your own multimedia workstation, and how to use it! Slackermedia is a multimedia guidebook for people looking to get away from operating systems that tell them what they can or can't do in their art. But it doesn't stop there! In this volume, you'll find detailed guides on the most important multimedia applications on Linux today: the Kdenlive video editor and the Qtractor digital audio workstation. You'll also get tips and resources on other great multimedia applications of Linux, like Blender, Audacity, Jamin, CALF, LADSPA, GIMP, Inkscape, ffmpeg, sox, Qsynth, fluidsynth, soundfonts, Xsynth, whySynth, QJack Control, Font Matrix, and many many more. By the end of your journey with Slackermedia, you'll know everything you need to know to create original multimedia content and any kind of digital art on the powerful, free operating system of GNU Linux. So put your nerd glasses on, roll up your sleeves, and prepare yourself for creativity like you've never experienced.
  basic linux commands cheat sheet pdf: Ubuntu Linux For Dummies Paul G. Sery, 2007-04-30 What has made Ubuntu the most popular Linux distribution in recent years? It's the emphasis on ease of installation and use. It gets even easier when paired with Ubuntu Linux For Dummies. This friendly reference shows you how to run Ubuntu directly from CD-ROM and install it on a PC as a personal workstation and network server. You’ll find out how to download Ubuntu and start using it right away. You'll also discover how to: Connect to a LAN via a wireless and Ethernet Use OpenOffice.org and Mozilla Firefox drawing and editing Tap into multimedia, graphics and other applications using Ubuntu Create services for a home or small business network Generate and manage web pages, print services, and more Find helpful information about Ubuntu and Linux Troubleshoot and fix problems Ubuntu means humanity toward others. Operating system guidebooks don’t get any more humane than Ubuntu Linux For Dummies.
  basic linux commands cheat sheet pdf: The Basics of Hacking and Penetration Testing Patrick Engebretson, 2013-06-24 The Basics of Hacking and Penetration Testing, Second Edition, serves as an introduction to the steps required to complete a penetration test or perform an ethical hack from beginning to end. The book teaches students how to properly utilize and interpret the results of the modern-day hacking tools required to complete a penetration test. It provides a simple and clean explanation of how to effectively utilize these tools, along with a four-step methodology for conducting a penetration test or hack, thus equipping students with the know-how required to jump start their careers and gain a better understanding of offensive security.Each chapter contains hands-on examples and exercises that are designed to teach learners how to interpret results and utilize those results in later phases. Tool coverage includes: Backtrack Linux, Google reconnaissance, MetaGooFil, dig, Nmap, Nessus, Metasploit, Fast Track Autopwn, Netcat, and Hacker Defender rootkit. This is complemented by PowerPoint slides for use in class.This book is an ideal resource for security consultants, beginning InfoSec professionals, and students. - Each chapter contains hands-on examples and exercises that are designed to teach you how to interpret the results and utilize those results in later phases - Written by an author who works in the field as a Penetration Tester and who teaches Offensive Security, Penetration Testing, and Ethical Hacking, and Exploitation classes at Dakota State University - Utilizes the Kali Linux distribution and focuses on the seminal tools required to complete a penetration test
  basic linux commands cheat sheet pdf: Kali Linux - An Ethical Hacker's Cookbook Himanshu Sharma, 2017-10-17 Over 120 recipes to perform advanced penetration testing with Kali Linux About This Book Practical recipes to conduct effective penetration testing using the powerful Kali Linux Leverage tools like Metasploit, Wireshark, Nmap, and many more to detect vulnerabilities with ease Confidently perform networking and application attacks using task-oriented recipes Who This Book Is For This book is aimed at IT security professionals, pentesters, and security analysts who have basic knowledge of Kali Linux and want to conduct advanced penetration testing techniques. What You Will Learn Installing, setting up and customizing Kali for pentesting on multiple platforms Pentesting routers and embedded devices Bug hunting 2017 Pwning and escalating through corporate network Buffer overflows 101 Auditing wireless networks Fiddling around with software-defned radio Hacking on the run with NetHunter Writing good quality reports In Detail With the current rate of hacking, it is very important to pentest your environment in order to ensure advanced-level security. This book is packed with practical recipes that will quickly get you started with Kali Linux (version 2016.2) according to your needs, and move on to core functionalities. This book will start with the installation and configuration of Kali Linux so that you can perform your tests. You will learn how to plan attack strategies and perform web application exploitation using tools such as Burp, and Jexboss. You will also learn how to perform network exploitation using Metasploit, Sparta, and Wireshark. Next, you will perform wireless and password attacks using tools such as Patator, John the Ripper, and airoscript-ng. Lastly, you will learn how to create an optimum quality pentest report! By the end of this book, you will know how to conduct advanced penetration testing thanks to the book's crisp and task-oriented recipes. Style and approach This is a recipe-based book that allows you to venture into some of the most cutting-edge practices and techniques to perform penetration testing with Kali Linux.
  basic linux commands cheat sheet pdf: Mastering VIM Quickly: From Wtf to Omg in No Time Jovica Ilic, 2018-08-29 Exiting Mastering Vim Quickly One of the beautiful things about learning Vim is the fact that you don't need to know everything. You only need to understand a few critically important concepts that provide most of the value. If you invest the time and energy necessary to learn these concepts, you'll easily be in the top 1% of the human population when it comes to productivity in coding/programming/text editing. Instead of trying to absorb all of the Vim knowledge- and there's really a lot out there -use this book to get what matters the most. Readers of digital editions have said: Mastering Vim Quickly is a great tour through the most important aspects and concepts of Vim. It starts beginner friendly and quickly advances to show more involved text editing techniques.Throughout the book I especially liked the focus on large scale operations.With numerous realistic examples it teaches how various simple commands can be combined in different ways to achieve powerful transformations across multiple files. And even if you already know all the topics covered in the book, it will refresh your knowledge and fuel your curiosity about the depths of Vim once again. - Christian Wellenbrock, the creator of the targets.vim plugin I have been using vi editor for almost 20 years and in the very first chapter, I found some new tips. It is easy to follow. It comes with useful tips, not only cool tips. Makes you more confident on using vi. You can find what you need with ease. I would absolutely recommend it! A very nice job doing this book. - G. Santovena A very approachable way to learn Vim. The writing is really good and contains a fine balance between explanations, examples and tips. It covers all the topics you need to know to really understand what Vim is about and why so many people choose it. If you are either just getting started or you have been wanting to switch to Vim full-time you will find this book to bethe perfect reference. - Mariano Cavallo, Front-end Developer What can you learn? How to exit Vim (this is a very important skill, as you might have heard) The power of Mini habits How to improve your skills 38x in one year How to personalize and properly configure Vim How to speak the Vim language Registers, buffers and windows-the right way The power of Visual modes, argdo, bufdo, etc. Ranges and substitution Boost your productivity in Vim How to install and manage plugins The magic of recursive macros and much more...
  basic linux commands cheat sheet pdf: Linux iptables Pocket Reference Gregor N. Purdy, 2004-08-25 Firewalls, Network Address Translation (NAT), network logging and accounting are all provided by Linux's Netfilter system, also known by the name of the command used to administer it, iptables. The iptables interface is the most sophisticated ever offered onLinux and makes Linux an extremely flexible system for any kind of network filtering you might do. Large sets of filtering rules can be grouped in ways that makes it easy to test them and turn them on and off.Do you watch for all types of ICMP traffic--some of them quite dangerous? Can you take advantage of stateful filtering to simplify the management of TCP connections? Would you like to track how much traffic of various types you get?This pocket reference will help you at those critical moments when someone asks you to open or close a port in a hurry, either to enable some important traffic or to block an attack. The book will keep the subtle syntax straight and help you remember all the values you have to enter in order to be as secure as possible. The book has an introductory section that describes applications,followed by a reference/encyclopaedic section with all the matches and targets arranged alphabetically.
  basic linux commands cheat sheet pdf: UNIX and Linux System Administration Handbook Evi Nemeth, Garth Snyder, Trent R. Hein, Ben Whaley, Dan Mackin, 2017-09-14 “As an author, editor, and publisher, I never paid much attention to the competition—except in a few cases. This is one of those cases. The UNIX System Administration Handbook is one of the few books we ever measured ourselves against.” —Tim O’Reilly, founder of O’Reilly Media “This edition is for those whose systems live in the cloud or in virtualized data centers; those whose administrative work largely takes the form of automation and configuration source code; those who collaborate closely with developers, network engineers, compliance officers, and all the other worker bees who inhabit the modern hive.” —Paul Vixie, Internet Hall of Fame-recognized innovator and founder of ISC and Farsight Security “This book is fun and functional as a desktop reference. If you use UNIX and Linux systems, you need this book in your short-reach library. It covers a bit of the systems’ history but doesn’t bloviate. It’s just straight-forward information delivered in a colorful and memorable fashion.” —Jason A. Nunnelley UNIX® and Linux® System Administration Handbook, Fifth Edition, is today’s definitive guide to installing, configuring, and maintaining any UNIX or Linux system, including systems that supply core Internet and cloud infrastructure. Updated for new distributions and cloud environments, this comprehensive guide covers best practices for every facet of system administration, including storage management, network design and administration, security, web hosting, automation, configuration management, performance analysis, virtualization, DNS, security, and the management of IT service organizations. The authors—world-class, hands-on technologists—offer indispensable new coverage of cloud platforms, the DevOps philosophy, continuous deployment, containerization, monitoring, and many other essential topics. Whatever your role in running systems and networks built on UNIX or Linux, this conversational, well-written ¿guide will improve your efficiency and help solve your knottiest problems.
  basic linux commands cheat sheet pdf: Bash Reference Manual Chet Ramey, Brian Fox, 2002 This volume is the official reference manual for GNU Bash, the standard GNU command-line interpreter.
  basic linux commands cheat sheet pdf: Making Servers Work , 2020-03-30 This book highlights practical sysadmin skills, common architectures that you’ll encounter, and best practices that apply to automating and running systems at any scale, from one laptop or server to 1,000 or more. It is intended to help orient you within the discipline, and hopefully encourages you to learn more about system administration.
  basic linux commands cheat sheet pdf: Security quick reference guide , 1985
  basic linux commands cheat sheet pdf: GREP in InDesign Peter Kahrel, 2008-10-27 Updated: June 2015. Author Peter Kahrel updated this Short Cut to cover InDesign CC. Several examples have been added, and most examples are now analysed in more detail. Updated: August 2010. Author Peter Kahrel updated this Short Cut to cover InDesign CS5. Updated: November 2009. Author Peter Kahrel updated this Short Cut to address typos and reader comments. GREP (short for General Regular-Expression Print) is a powerful tool that lets you use wildcards (jokers) to search and replace text. InDesign's GREP implementation can be used for text and also for formatting codes, finding patterns in text as well as literal text. GREP moves beyond the restrictions that hampered earlier InDesign search features, but unfortunately it does have the reputation of being difficult to master. As with many things, it can be challenging to learn, but, fortunately, a lot can be done with surprisingly simple expressions. The aim of this Short Cut is to show how to create simple but powerful regular expressions.
  basic linux commands cheat sheet pdf: Linux Command Line and Shell Scripting Bible Richard Blum, Christine Bresnahan, 2020-12-08 Advance your understanding of the Linux command line with this invaluable resource Linux Command Line and Shell Scripting Bible, 4th Edition is the newest installment in the indispensable series known to Linux developers all over the world. Packed with concrete strategies and practical tips, the latest edition includes brand-new content covering: Understanding the Shell Writing Simple Script Utilities Producing Database, Web & Email Scripts Creating Fun Little Shell Scripts Written by accomplished Linux professionals Christine Bresnahan and Richard Blum, Linux Command Line and Shell Scripting Bible, 4th Edition teaches readers the fundamentals and advanced topics necessary for a comprehensive understanding of shell scripting in Linux. The book is filled with real-world examples and usable scripts, helping readers navigate the challenging Linux environment with ease and convenience. The book is perfect for anyone who uses Linux at home or in the office and will quickly find a place on every Linux enthusiast’s bookshelf.
  basic linux commands cheat sheet pdf: GNU Parallel 2018 Ole Tange, 2018-03-12 GNU Parallel is a UNIX shell tool for running jobs in parallel. Learn how to use GNU Parallel from the developer of GNU Parallel.
  basic linux commands cheat sheet pdf: Learn Raspberry Pi with Linux Peter Membrey, David Hows, 2013-02-26 Learn Raspberry Pi with Linux will tell you everything you need to know about the Raspberry Pi's GUI and command line so you can get started doing amazing things. You'll learn how to set up your new Raspberry Pi with a monitor, keyboard and mouse, and you'll discover that what may look unfamiliar in Linux is really very familiar. You'll find out how to connect to the internet, change your desktop settings, and you'll get a tour of installed applications. Next, you'll take your first steps toward being a Raspberry Pi expert by learning how to get around at the Linux command line. You'll learn about different shells, including the bash shell, and commands that will make you a true power user. Finally, you'll learn how to create your first Raspberry Pi projects: Making a Pi web server: run LAMP on your own network Making your Pi wireless: remove all the cables and retain all the functionality Making a Raspberry Pi-based security cam and messenger service: find out who's dropping by Making a Pi media center: stream videos and music from your Pi Raspberry Pi is awesome, and it's Linux. And it's awesome because it's Linux. But if you've never used Linux or worked at the Linux command line before, it can be a bit daunting. Raspberry Pi is an amazing little computer with tons of potential. And Learn Raspberry Pi with Linux can be your first step in unlocking that potential.
  basic linux commands cheat sheet pdf: Linux Essentials (010-160) Jason Dion, 2020-07-15 In this book, you will receive a crash course that will introduce you to everything you need to know to pass the LPI Linux Essentials(R) certification exam. This book covers just the essentials with no fluff, filler, or extra material, so you can learn the material quickly and conquer the certification exam with ease. The LPI Linux Essentials(R) exam is the first certification exam in the Linux Professional Institute's certification path. This certification is designed to test your ability to use the basic console line editor and to demonstrate an understanding of processes, programs, and components of the Linux operating system. This book assumes that you have no previous experience with the Linux operating system and will teach you exactly what you need to know to take and pass the Linux Essentials(R) certification exam on your first attempt.
  basic linux commands cheat sheet pdf: Linux Device Drivers Jonathan Corbet, Alessandro Rubini, Greg Kroah-Hartman, 2005-02-07 Device drivers literally drive everything you're interested in--disks, monitors, keyboards, modems--everything outside the computer chip and memory. And writing device drivers is one of the few areas of programming for the Linux operating system that calls for unique, Linux-specific knowledge. For years now, programmers have relied on the classic Linux Device Drivers from O'Reilly to master this critical subject. Now in its third edition, this bestselling guide provides all the information you'll need to write drivers for a wide range of devices.Over the years the book has helped countless programmers learn: how to support computer peripherals under the Linux operating system how to develop and write software for new hardware under Linux the basics of Linux operation even if they are not expecting to write a driver The new edition of Linux Device Drivers is better than ever. The book covers all the significant changes to Version 2.6 of the Linux kernel, which simplifies many activities, and contains subtle new features that can make a driver both more efficient and more flexible. Readers will find new chapters on important types of drivers not covered previously, such as consoles, USB drivers, and more.Best of all, you don't have to be a kernel hacker to understand and enjoy this book. All you need is an understanding of the C programming language and some background in Unix system calls. And for maximum ease-of-use, the book uses full-featured examples that you can compile and run without special hardware.Today Linux holds fast as the most rapidly growing segment of the computer market and continues to win over enthusiastic adherents in many application areas. With this increasing support, Linux is now absolutely mainstream, and viewed as a solid platform for embedded systems. If you're writing device drivers, you'll want this book. In fact, you'll wonder how drivers are ever written without it.
  basic linux commands cheat sheet pdf: Fedora Linux Chris Tyler, 2006-10-20 Neither a Starting Linux book nor a dry reference manual, this book has a lot to offer to those coming to Fedora from other operating systems or distros. -- Behdad Esfahbod, Fedora developer This book will get you up to speed quickly on Fedora Linux, a securely-designed Linux distribution that includes a massive selection of free software packages. Fedora is hardened out-of-the-box, it's easy to install, and extensively customizable - and this book shows you how to make Fedora work for you. Fedora Linux: A Complete Guide to Red Hat's Community Distribution will take you deep into essential Fedora tasks and activities by presenting them in easy-to-learn modules. From installation and configuration through advanced topics such as administration, security, and virtualization, this book captures the important details of how Fedora Core works--without the fluff that bogs down other books and help/how-to web sites. Instead, you can learn from a concise task-based approach to using Fedora as both a desktop and server operating system. In this book, you'll learn how to: Install Fedora and perform basic administrative tasks Configure the KDE and GNOME desktops Get power management working on your notebook computer and hop on a wired or wireless network Find, install, and update any of the thousands of packages available for Fedora Perform backups, increase reliability with RAID, and manage your disks with logical volumes Set up a server with file sharing, DNS, DHCP, email, a Web server, and more Work with Fedora's security features including SELinux, PAM, and Access Control Lists (ACLs) Whether you are running the stable version of Fedora Core or bleeding-edge Rawhide releases, this book has something for every level of user. The modular, lab-based approach not only shows you how things work-but also explains why--and provides you with the answers you need to get up and running with Fedora Linux. Chris Tyler is a computer consultant and a professor of computer studies at Seneca College in Toronto, Canada where he teaches courses on Linux and X Window System Administration. He has worked on systems ranging from embedded data converters to Multics mainframes.
  basic linux commands cheat sheet pdf: The Accidental Administrator Don R. Crawley, 2012-09-25 Your easy-to-follow step-by-step guide to configuring a Cisco router from the ground up The Accidental Administratortm: Cisco Router Step-by-Step Configuration Guide is packed with more than 30 easy-to-follow interactive exercises, loads of screen captures, and lots of step-by-step examples to help you build a working router from scratch. Easily the most straightforward approach to learning how to configure a Cisco router, this book is filled with practical tips and secrets learned from years of Don s teaching and consulting on Cisco network devices. As a bonus, you won t waste your time on boring theory. All the essentials are covered in chapters on installing, backups and restores, and TCP/IP. You ll learn the nitty-gritty on subnetting, remote administration, routing protocols, static routing, access-control lists, site-to-site VPNs, network address translation (NAT), DHCP, password recovery, and security. There s even an entire chapter on the new Internet Protocol version 6 (IPv6). Here's just some of what you'll find: How to configure and manage access lists How to set up a site-to-site VPN How to implement IPv6 All the information is presented in a straightforward style that you can understand and use right away. With The Accidental Administrator: Cisco Router Step-by-Step Configuration Guide you ll be able to sit down with your routers and build a working configuration in a matter of minutes. Of course, some of the more advanced configs may take a little longer, but even so, you'll be able to get 'er done in a minimal amount of time In addition, there are supporting videos and a supporting webpage to provide even more help and updated information.
  basic linux commands cheat sheet pdf: UNIX Text Processing Dale Dougherty, Tim O'Reilly, 1987
  basic linux commands cheat sheet pdf: Ubuntu Linux Unleashed 2021 Edition Matthew Helmke, 2020-08-18 Covers 20.04, 20.10, and 21.04 Ubuntu Linux Unleashed 2021 Edition is filled with unique and advanced information for everyone who wants to make the most of the Ubuntu Linux operating system. This new edition has been thoroughly updated by a long-time Ubuntu user and early community leader to reflect the exciting new Ubuntu 20.04 LTS release, with a forthcoming online update mid-2021, at the halfway mark before the next LTS release comes out. Linux writer Matthew Helmke covers all you need to know about Ubuntu 20.04 LTS installation, configuration, productivity, command-line usage, development, systems administration, server operations, networking, virtualization, cloud computing, DevOps, and more—including intermediate-to-advanced techniques you won't find in any other book. Helmke presents up-to-the-minute introductions to Ubuntu's key productivity and web development tools, programming languages, hardware support, and more. You'll find new or improved coverage of the Ubuntu desktop experience, common web servers and software stacks, an introduction to containers like Docker and Kubernetes, as well as a wealth of systems administration information that is stable and valuable over many years. Configure and use the Ubuntu desktop Get started with multimedia and productivity applications Manage Linux services, users, and software packages Administer and run Ubuntu from the command line Automate tasks and use shell scripting Provide secure remote access and configure a secure VPN Manage kernels and modules Administer file, print, email, proxy, LDAP, DNS, and HTTP servers (Apache, Nginx, or alternatives) Work with databases (SQL) and learn about NoSQL alternatives Get started with virtualization and cloud deployment, including information about containers Learn about options for managing large numbers of servers, including in the cloud Learn the basics about popular programming languages including Python, PHP, Perl, and gain an introduction to new alternatives such as Go and Rust
  basic linux commands cheat sheet pdf: DevOps Troubleshooting Kyle Rankin, 2012-11-09 “If you’re a developer trying to figure out why your application is not responding at 3 am, you need this book! This is now my go-to book when diagnosing production issues. It has saved me hours in troubleshooting complicated operations problems.” –Trotter Cashion, cofounder, Mashion DevOps can help developers, QAs, and admins work together to solve Linux server problems far more rapidly, significantly improving IT performance, availability, and efficiency. To gain these benefits, however, team members need common troubleshooting skills and practices. In DevOps Troubleshooting: Linux Server Best Practices, award-winning Linux expert Kyle Rankin brings together all the standardized, repeatable techniques your team needs to stop finger-pointing, collaborate effectively, and quickly solve virtually any Linux server problem. Rankin walks you through using DevOps techniques to troubleshoot everything from boot failures and corrupt disks to lost email and downed websites. You’ll master indispensable skills for diagnosing high-load systems and network problems in production environments. Rankin shows how to Master DevOps’ approach to troubleshooting and proven Linux server problem-solving principles Diagnose slow servers and applications by identifying CPU, RAM, and Disk I/O bottlenecks Understand healthy boots, so you can identify failure points and fix them Solve full or corrupt disk issues that prevent disk writes Track down the sources of network problems Troubleshoot DNS, email, and other network services Isolate and diagnose Apache and Nginx Web server failures and slowdowns Solve problems with MySQL and Postgres database servers and queries Identify hardware failures–even notoriously elusive intermittent failures
  basic linux commands cheat sheet pdf: LPI Linux Essentials Study Guide Christine Bresnahan, Richard Blum, 2020-01-29 Provides a solid foundation for those considering a career in IT—covers the objectives of the new Linux Essentials Exam 010-160 v1.6 Linux is a secure, reliable, open source alternative to costly operating systems such as Microsoft Windows. As large organizations worldwide continue to add Linux servers, the need for IT professionals skilled in Linux continues to grow. The LPI Linux Essentials Study Guide is a valuable resource for anyone preparing to take the new Linux Essentials Exam—the entry-level certification from The Linux Professional Institute (LPI) which validates knowledge of Linux concepts and applications. Written by recognized experts on Linux and open source technologies, this accessible, user-friendly guide covers desktop skills, the command line, directories and files, networks, scripting, security, users and permissions, and much more. Clear, concise chapters provide numerous hands-on tutorials, real-world examples, color illustrations, and practical end-of-chapter exercises and review questions. An ideal introduction for those new to Linux or considering a career in IT, this guide helps readers: Learn the operation and components of Linux desktops and servers Understand open source software, licensing, and applications Configure networks, security, cloud services, storage, and devices Create users and groups and set permissions and ownership Use the command line and build automation scripts LPI Linux Essentials Study Guide: Exam 010 v1.6 is perfect for anyone beginning a career in IT, newcomers to Linux, students in computer courses, and system administrators working with other operating systems wanting to learn more about Linux and other open source solutions.
  basic linux commands cheat sheet pdf: Master Your Raspberry Pi in 30 Days Patrick Fromaget, 2020-04-23 From beginner to expert in Raspberry Pi. Learn useful Linux skills and practice multiples project with step-by-step guides How To Become A Raspberry Pi Expert Even If You Are Not Already A Linux Guru? The Raspberry Pi is a device that can scare many people when they are new to this. How can a cheap electronic circuit with a mysterious operating system be a good idea for me? Yes, the Raspberry Pi is a small computer (close to a credit card size) that runs mostly on Linux and that can be plugged to a standard screen, mouse and keyboard. So, this is probably a little different from what you're used to. That's why it may be difficult or at least not motivating to get started on Raspberry Pi. But don't worry, with this book you will get everything you need for a good start, whatever your current level is. About the author Patrick Fromaget graduated from higher school in computer science. He started as a web developer, before specializing in system administration. He has always been passionate about IT and has managed Linux servers for over 15 years. In 2018, he launched the RaspberryTips.com website to share his passion for the Raspberry Pi and help other people to progress. More than 100 tutorials have been written on the site, on various subjects. From the start, the site has enjoyed growing success and a YouTube channel was also launched on the subject in 2020, to help the most visual. What is inside the book? This book is a challenge you take, to lead you from the beginning towards mastering the Raspberry Pi device. The course is divided into 30 steps. The idea is to make one little step a day to be an expert in 30 days. In each step you discover a new concept, go through the details and then go to practice. Each day is a new, progressive step towards your goal. In the beginning you learn more about the hardware, then you will learn how to use the operating system (Raspbian). The second part of the book is more about step-by-step projects, programming, and other operating systems and software. So, it's really a book for all audiences: - If you don't know anything yet, you can read the book in order - If you already have bases on Raspberry Pi or Linux, some chapters can be browsed quickly - And even if you already have a correct level, you will inevitably find information there to go even further Ready to take off? Linux is a skill in great demand in business, and learning it on a different computer is the best way to learn it. The Raspberry Pi was created to teach IT and programming in schools, and it's never too late to learn. To go through this learning process, you need a companion, and you have found it here. This book is a must-have for anyone who wants to improve its skills on Raspberry Pi and Linux in general. Buy it today to become a Raspberry Pi expert in 30 days!
  basic linux commands cheat sheet pdf: Linux for Beginners Jason Cannon, 2014 If you want to learn how to use Linux, but don't know where to start read on. Knowing where to start when learning a new skill can be a challenge, especially when the topic seems so vast. There can be so much information available that you can't even decide where to start. Or worse, you start down the path of learning and quickly discover too many concepts, commands, and nuances that aren't explained. This kind of experience is frustrating and leaves you with more questions than answers. Linux for Beginners doesn't make any assumptions about your background or knowledge of Linux. You need no prior knowledge to benefit from this book. You will be guided step by step using a logical and systematic approach. As new concepts, commands, or jargon are encountered they are explained in plain language, making it easy for anyone to understand. Here is what you will learn by reading Linux for Beginners: How to get access to a Linux server if you don't already. What a Linux distribution is and which one to choose. What software is needed to connect to Linux from Mac and Windows computers. Screenshots included. What SSH is and how to use it, including creating and using SSH keys. The file system layout of Linux systems and where to find programs, configurations, and documentation. The basic Linux commands you'll use most often. Creating, renaming, moving, and deleting directories. Listing, reading, creating, editing, copying, and deleting files. Exactly how permissions work and how to decipher the most cryptic Linux permissions with ease. How to use the nano, vi, and emacs editors. Two methods to search for files and directories. How to compare the contents of files. What pipes are, why they are useful, and how to use them. How to compress files to save space and make transferring data easy. How and why to redirect input and output from applications. How to customize your shell prompt. How to be efficient at the command line by using aliases, tab completion, and your shell history. How to schedule and automate jobs using cron. How to switch users and run processes as others. Where to go for even more in-depth coverage on each topic. What you learn in Linux for Beginners applies to any Linux environment including Ubuntu, Debian, Linux Mint, RedHat, Fedora, OpenSUSE, Slackware, and more. Scroll up, click the Buy Now With 1 Click button and get started learning Linux today!
  basic linux commands cheat sheet pdf: The GNU GRUB Manual Gordon Matzigkeit, Yoshinori K. Okuji, Colin Watson, 2017-04-25 Briefly, a boot loader is the first software program that runs when a computer starts. It is responsible for loading and transferring control to an operating system kernel software (such as Linux or GNU Mach). The kernel, in turn, initializes the rest of the operating system (e.g. a GNU system). GNU GRUB is a very powerful boot loader, which can load a wide variety of free operating systems, as well as proprietary operating systems with chain-loading. GRUB is designed to address the complexity of booting a personal computer; both the program and this manual are tightly bound to that computer platform, although porting to other platforms may be addressed in the future. One of the important features in GRUB is flexibility; GRUB understands filesystems and kernel executable formats, so you can load an arbitrary operating system the way you like, without recording the physical position of your kernel on the disk. Thus you can load the kernel just by specifying its file name and the drive and partition where the kernel resides. This manual is available online for free at gnu.org. This manual is printed in grayscale.
  basic linux commands cheat sheet pdf: AWS For Admins For Dummies John Paul Mueller, 2016-10-19 Easily get your head in the Cloud with Amazon Web Services With Amazon Web Services (AWS), you can do everything from backing up your personal hard drive to creating a full-fledged IT department in the Cloud. And while major corporations like Adobe and Netflix have turned to AWS for their Cloud computing needs, it isn't just for private companies. Amazon Web Services For Dummies is the singular resource that shows real people with real businesses how to use on-demand IT resources to help their companies grow. If you're like most people just getting their feet wet with this service, your first question is likely to be, How do I get started with AWS? This book answers that question—and a multitude more—in language you can understand and shows you how to put this Cloud computing service to work for you right away. AWS is immense and, naturally, intimidating, but with the help of this book, you'll peel back its many layers in no time! Provides overviews that explain what tasks the services perform and how they relate to each other Offers specific paths to follow in order to obtain a particular installation result Gets you started without making a huge investment Reduces the risk of failure by ensuring you understand available options as part of the configuration and usage process Stop wasting time and resources on hardware and software that's quickly outdated. Get started with AWS today!
  basic linux commands cheat sheet pdf: LPIC-2: Linux Professional Institute Certification Study Guide Christine Bresnahan, Richard Blum, 2016-09-28 Full coverage of the latest LPI-level 2 exams, with bonus online test bank LPIC-2 is the one-stop preparation resource for the Linux Professional Institute's Advanced Level certification exam. With 100 percent coverage of all exam objectives, this book provides clear and concise coverage of the Linux administration topics you'll need to know for exams 201 and 202. Practical examples highlight the real-world applications of important concepts, and together, the author team provides insights based on almost fifty years in the IT industry. This brand new second edition has been completely revamped to align with the latest versions of the exams, with authoritative coverage of the Linux kernel, system startup, advanced storage, network configuration, system maintenance, web services, security, troubleshooting, and more. You also get access to online learning tools including electronic flashcards, chapter tests, practice exams, and a glossary of critical terms to help you solidify your understanding of upper-level Linux administration topics. The LPI-level 2 certification confirms your advanced Linux skill set, and the demand for qualified professionals continues to grow. This book gives you the conceptual guidance and hands-on practice you need to pass the exam with flying colors. Understand all of the material for both LPIC-2 exams Gain insight into real-world applications Test your knowledge with chapter tests and practice exams Access online study aids for more thorough preparation Organizations are flocking to the open-source Linux as an excellent, low-cost, secure alternative to expensive operating systems like Microsoft Windows. As the Linux market share continues to climb, organizations are scrambling to find network and server administrators with expert Linux knowledge and highly practical skills. The LPI-level 2 certification makes you the professional they need, and LPIC-2 is your ideal guide to getting there.
  basic linux commands cheat sheet pdf: Enhancing Higher Education Accessibility Through Open Education and Prior Learning Stevenson, Carolyn N., 2021-02-05 Institutions of higher learning are providing access to free and low-cost open resources to support students with prior college-level learning during every step of their educational journey. This unconventional approach to education removes traditional barriers to college credit by placing learners in an open environment, which encourages accessibility to higher education and fosters independent and critical thinking. By providing learners with free resources, more learners have the resources needed to be successful in college. Prior learning assessment is an excellent way for students to demonstrate the skills and knowledge gained throughout the course of their lives. By developing a portfolio of artifacts that support prior learning outside of the classroom, learners reduce the time and money needed to complete a degree. Open educational resources, prior learning assessment, and competency-based learning offer the potential to provide access to higher education to those who may not have the opportunity to earn a college degree. As the costs of higher education continue to rise, these flexible, open approaches to learning can bridge the equity gap and provide more opportunity to earn a college degree. Enhancing Higher Education Accessibility Through Open Education and Prior Learning provides a comprehensive resource book on open resources and prior learning in order to provide access and equity to higher education. The chapters pull together resources and case studies that exemplify alternative means to higher education. Highlighted topics within this book include remote e-learning, online fundraising, smart learning and assessments, effective learning, and faculty mentorship. This book is essential for curriculum designers; administrators; policymakers; government executives; professors and instructors in higher education; students; researchers in adult education, competency-based education, social justice, and open educational resources; and practitioners interested in open educational resources and accessibility in higher education.
  basic linux commands cheat sheet pdf: Bash Guide for Beginners (Second Edition) Machtelt Garrels, 2010 The Bash Guide for Beginners (Second Edition) discusses concepts useful in the daily life of the serious Bash user. While a basic knowledge of shell usage is required, it starts with a discussion of shell building blocks and common practices. Then it presents the grep, awk and sed tools that will later be used to create more interesting examples. The second half of the course is about shell constructs such as loops, conditional tests, functions and traps, and a number of ways to make interactive scripts. All chapters come with examples and exercises that will help you become familiar with the theory.
  basic linux commands cheat sheet pdf: How Linux Works, 2nd Edition Brian Ward, 2014-11-14 Unlike some operating systems, Linux doesn’t try to hide the important bits from you—it gives you full control of your computer. But to truly master Linux, you need to understand its internals, like how the system boots, how networking works, and what the kernel actually does. In this completely revised second edition of the perennial best seller How Linux Works, author Brian Ward makes the concepts behind Linux internals accessible to anyone curious about the inner workings of the operating system. Inside, you’ll find the kind of knowledge that normally comes from years of experience doing things the hard way. You’ll learn: –How Linux boots, from boot loaders to init implementations (systemd, Upstart, and System V) –How the kernel manages devices, device drivers, and processes –How networking, interfaces, firewalls, and servers work –How development tools work and relate to shared libraries –How to write effective shell scripts You’ll also explore the kernel and examine key system tasks inside user space, including system calls, input and output, and filesystems. With its combination of background, theory, real-world examples, and patient explanations, How Linux Works will teach you what you need to know to solve pesky problems and take control of your operating system.
为什么说以Basic作为入门语言会变成脑残? - 知乎
Dijkstra说的这个basic是上古时期的basic,参考小霸王上的basic。其中充斥着GOTO,每行必须有行号,行号满了就不能插入,变量命名受限,没有指针和动态内存分配,有很多使其无法胜任大型项目的缺点, …

base,basic,basis这个三个词怎么区分? - 知乎
Aug 7, 2020 · basic(尤指作为发展的起点)基本的,初步的,如: 6. He doesn't have mastery of the basic skills of reading, writing and communicating. 他还没掌握基本的读写和交流技巧。【是形 …

为什么10年前风靡一时的Basic系列语言如今已经很少见到了? - 知乎
BASIC 这个语言派系的发展,成也 VB 败也 VB。 因为 VB 选择的赛道太讨巧(在当时,也就是世纪交汇那阵,属于先进的 PC 端 GUI 编程),导致各种各样不是初学者的专业开发者都来使用(BASIC 的全称是 Beginner's …

excel2021visual basic打开是灰色的怎么办? - 知乎
如果Excel 2021 中的 Visual Basic 编辑器打开时显示为灰色,可能是由于以下原因之一: 安装问题:确保已正确安装了 Visual Basic for Applications(VBA)组件。 检查 Microsoft Office 安装是否完整,并尝试 …

一文了解Transformer全貌(图解Transformer) - 知乎
Jan 21, 2025 · Transformer整体结构(输入两个单词的例子) 为了能够对Transformer的流程有个大致的了解,我们举一个简单的例子,还是以之前的为例,将法语"Je suis etudiant"翻译成英文。

为什么说以Basic作为入门语言会变成脑残? - 知乎
Dijkstra说的这个basic是上古时期的basic,参考小霸王上的basic。其中充斥着GOTO,每行必须有行号,行号满了就不能插入,变量命名受限,没有指针和动态内存分配,有很多使其无法胜任 …

base,basic,basis这个三个词怎么区分? - 知乎
Aug 7, 2020 · basic(尤指作为发展的起点)基本的,初步的,如: 6. He doesn't have mastery of the basic skills of reading, writing and communicating. 他还没掌握基本的读写和交流技巧。【 …

为什么10年前风靡一时的Basic系列语言如今已经很少见到了? - 知乎
BASIC 这个语言派系的发展,成也 VB 败也 VB。 因为 VB 选择的赛道太讨巧(在当时,也就是世纪交汇那阵,属于先进的 PC 端 GUI 编程),导致各种各样不是初学者的专业开发者都来使 …

excel2021visual basic打开是灰色的怎么办? - 知乎
如果Excel 2021 中的 Visual Basic 编辑器打开时显示为灰色,可能是由于以下原因之一: 安装问题:确保已正确安装了 Visual Basic for Applications(VBA)组件。 检查 Microsoft Office 安装 …

一文了解Transformer全貌(图解Transformer) - 知乎
Jan 21, 2025 · Transformer整体结构(输入两个单词的例子) 为了能够对Transformer的流程有个大致的了解,我们举一个简单的例子,还是以之前的为例,将法语"Je suis etudiant"翻译成英 …

为什么叫.NET?它和C#是什么关系? - 知乎
一门全新的编程语言Visual Basic .Net。 其全面沿袭了Visual Basic的语法,但是只能跑在.Net Framework这个运行时之上。 愿意是吸引庞大的VB开发者,但是实际上是一个除了语法像VB …

打开word时显示microsoft visual basic运行时错误没有注册类怎么 …
前面有答案提到的禁用COM加载项,这个可以一试,但更可能的是中了类似宏病毒的招,感染了启动模板文件,但由于缺少代码需要的引用文件,比如scrrun.dll,代码无法运行于是报错。

个人4盘位NAS,用什么RAID比较合适,为什么? - 知乎
两盘位basic:存放电影,下载,电脑备份等非重要数据。 可扩展一盘位usb外接(可以用电脑替代,更理想情况是有第二台nas):使用套件做最重要的数据定期同步或备份,电影种子,basic …

WPS打开时,老是跳出 微软 自定义项安装程序? - 知乎
知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借认真、专业 …

如何origin在一个图中画两条线,比如这种? - 知乎
导入数据到各个列中,全选数据后,点击 Origin 工具栏上的 Plot ——> Basic 2D ——> Line + Symbol 或者 点击 Origin 下边快捷图标 ,如下图所示 Origin 就会自动绘制两条数据线,如下图 …