It’s simple: if you want to interact deeply with Mac OS X, and other Unix-like systems, Linux, you need to know how to work with the Bash shell. This concise little book puts all of the essential information about Bash right at your fingertips. You’ll quickly find answers to the annoying questions that generally come up when you’re writing shell scripts: What characters do you need to quote? How do you get variable substitution to do exactly what you want? How do you use arrays? Updated for Bash version 4.

4, this book has the answers to these and other problems in a format that makes browsing quick and easy. Topics include:invoking the shellSyntaxFunctions and variablesArithmetic expressionsCommand historyProgrammable completionJob controlShell optionsCommand executionCoprocessesRestricted shellsBuilt-in commands.

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Linux Pocket Guide: Essential Commands

Whether you’re a novice who needs to get up to speed on Linux or an experienced user who wants a concise and functional reference, this guide provides quick answers. Selected topics include:the filesystem and shellFile creation and editingText manipulation and pipelinesBackups and remote storageViewing and controlling processesUser account managementBecoming the superuserNetwork connectionsAudio and videoInstalling softwareProgramming with shell scripts.

The third edition features new commands for processing image files and audio files, running and killing programs, and manipulating PDF files, reading and modifying the system clipboard, as well as other commands requested by readers. You’ll also find powerful command-line idioms you might not be familiar with, such as process substitution and piping into bash.

Linux pocket guide provides an organized learning path to help you gain mastery of the most useful and important commands. If you use linux in your day-to-day work, this popular pocket guide is the perfect on-the-job reference.

Git Pocket Guide: A Working Introduction

It provides a compact, readable introduction to Git for new users, as well as a reference to common commands and procedures for those of you with Git experience. Written for Git version 1. 8. 2, merging, fixing mistakes, such as making commits, this handy task-oriented guide is organized around the basic version control functions you need, and searching history.

Examine the state of your project at earlier points in timelearn the basics of creating and making changes to a repositoryCreate branches so many people can work on a project simultaneouslyMerge branches and reconcile the changes among themClone an existing repository and share changes with push/pull commandsExamine and change your repository’s commit historyAccess remote repositories, using different network protocolsGet recipes for accomplishing a variety of common tasks.

This pocket guide is the perfect on-the-job companion to Git, the distributed version control system.

Python Pocket Reference: Python In Your Pocket Pocket Reference O'Reilly

You’ll find concise, special method names, need-to-know information on Python types and statements, built-in functions and exceptions, commonly used standard library modules, and other prominent Python tools. Updated for both Python 3. 4 and 2. 7, this convenient pocket guide is the perfect on-the-job quick reference.

The handy index lets you pinpoint exactly what you need. Written by mark lutz—widely recognized as the world’s leading Python trainer—Python Pocket Reference is an ideal companion to O’Reilly’s classic Python tutorials, Learning Python and Programming Python, also written by Mark. This fifth edition covers:built-in object types, dictionaries, including numbers, and moreStatements and syntax for creating and processing objectsFunctions and modules for structuring and reusing codePython’s object-oriented programming toolsBuilt-in functions, lists, exceptions, and attributesSpecial operator overloading methodsWidely used standard library modules and extensionsCommand-line options and development toolsPython idioms and hintsThe Python SQL Database API.

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Learning the bash Shell: Unix Shell Programming In a Nutshell O'Reilly

Indeed, this third edition serves as the most valuable guide yet to the bash shell. As any good programmer knows, the first thing users of the Linux operating system come face to face with is the shell the UNIX term for a user interface to the system. With this book, from job control to processes, standard i/o, coroutines and subshellsdebugging techniques, flow control structures, command-line options and typed variablesProcess handling, and background jobsCommand line editing, and key bindingsHow to customize your shell environment without programmingThe nuts and bolts of basic shell programming, including UNIX file and directory structures, history substitution, programmers will learn:How to install bash as your login shellThe basics of interactive shell use, such as trace and verbose modesTechniques for implementing system-wide shell customization and features related to system security .

In other words, it's what lets you communicate with the computer via the keyboard and display. In truth, there are many complexities that need careful explanation, which is just what Learning the bash Shell provides. If you are new to shell programming, the book provides an excellent introduction, covering everything from the most basic to the most advanced features.

Now that linux is an established player both as a server and on the desktop Learning the bash Shell has been updated and refreshed to account for all the latest changes. And if you've been writing shell scripts for years, it offers a great way to find out what the new shell offers. Learning the bash shell is also full of practical examples of shell commands and programs that will make everyday use of Linux that much easier.

Mastering the bash shell might sound fairly simple but it isn't.

grep Pocket Reference: A Quick Pocket Reference for a Utility Every Unix User Needs Pocket Reference O'Reilly

If you're new to grep, this book is the best way to get started. With grep pocket reference, you will:learn methods for filtering large files for specific contentAcquire information not included in the current grep documentationGet several tricks for using variants such as egrepKeep key information about grep right at your fingertipsFind the answers you need about grep quickly and easily.

If you're familiar with this utility, understand rare situations, grep Pocket Reference will help you refresh your basic knowledge, and work more efficiently. Grep pocket reference is the first guide devoted to grep, the powerful Unix content-location utility. This handy book is ideal for system administrators, security professionals, developers, and others who want to learn more about grep and take new approaches with it -- for everything from mail filtering and system log management to malware analysis.

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Shell Scripting: How to Automate Command Line Tasks Using Bash Scripting and Shell Programming

I started my it career in the late 1990's as a Unix and Linux System Engineer and I'll be sharing my real-world shell scripting and bash programming experience with you throughout this book. By the end of this book you will be able to create shell scripts with ease. My name is jason cannon and i'm the author of Linux for Beginners, Python Programming for Beginners, and an instructor to thousands of satisfied students.

What special variables are available, how to use them in your shell scripts, and when to do so. The #1 thing you must do every time you create a shell script. It shows exactly what to include and where everything goes. You'll learn how to take tedious and repetitive tasks and turn them into programs that will save you time and simplify your life on Linux, Unix, or MAC systems.

Here is what you will get and learn by reading this Shell Scripting ebook: A step-by-step process of writing shell scripts that solve real-world problems. Use this format for each of your shell scripts. Real-world examples of shell scripts from my personal collection. You're scripts will even run on other operating systems such as apple's Mac OS X, IBM's AIX, Oracle's Solaris, NetBSD, HP's HP-UX, FreeBSD, and OpenBSD.

Scroll up, click the buy now With 1 Click button and get started learning Linux today! How to quickly find and fix the most shell scripting errors.

Regular Expression Pocket Reference: Regular Expressions for Perl, Ruby, PHP, Python, C, Java and .NET Pocket Reference O'Reilly

Composed of a mixture of symbols and text, regular expressions can be an outlet for creativity, for brilliant programming, and for the elegant solution. Ideal as a quick reference, Regular Expression Pocket Reference covers the regular expression APIs for Perl 5. 8, ruby including some upcoming 1. 9 features, java, PHP, .

Net and c#, python, javascript, vi, and the PCRE regular expression libraries. This concise and easy-to-use reference puts a very powerful tool for manipulating text and data right at your fingertips. This guide makes an ideal on-the-job companion. This handy little book offers programmers a complete overview of the syntax and semantics of regular expressions that are at the heart of every text-processing application.

Regular expression pocket reference offers an introduction to regular expressions, and then provides separate sections for each of the language APIs, metacharacters, modes and constructs, with complete regex listings including:Supported metacharacters for each language APIRegular expression classes and interfaces for Ruby, Java, pattern matching, .

Net, and c#regular expression operators for Perl 5. 8regular expression module objects and functions for pythonpattern-matching functions for PHP and the vi editorPattern-matching methods and objects for JavaScriptUnicode Support for each of the languagesWith plenty of examples and other resources, Regular Expression Pocket Reference summarizes the complex rules for performing this critical text-processing function, and presents this often-confusing topic in a friendly and well-organized format.

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sed and awk Pocket Reference: Text Processing with Regular Expressions Pocket Reference O'Reilly

He has been working with Unix systems since 1980, and currently maintains gawk and its documentation. It presents a concise summary of regular expressions and pattern matching, and summaries of sed and awk. Arnold robbins, an atlanta native now happily living in Israel, is a professional programmer and technical author and coauthor of various O'Reilly Unix titles.

For people who create and modify text files, sed and awk are power tools for editing. This new edition has expanded coverage of gawk gnu awk, and includes sections on:An overview of sed and awk?s command line syntaxAlphabetical summaries of commands, including nawk and gawkProfiling with pgawkCoprocesses and sockets with gawkInternationalization with gawkA listing of resources for sed and awk usersThis small book is a handy reference guide to the information presented in the larger volumes.

. Sed, awk, to simplify the task of performing the same edits on multiple files, and regular expressions allow programmers and system administrators to automate editing tasks that need to be performed on one or more files, and to write conversion programs. The sed & awk pocket reference is a companion volume to sed & awk, Unix in a Nutshell, Third Edition, and Effective awk Programming, Second Edition, Third Edition.

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bash Cookbook: Solutions and Examples for bash Users

For system administrators, shell command or carefully crafted shell script can save you time and effort, and end users, programmers, or facilitate consistency and repeatability for a variety of common tasks. This cookbook provides more than 300 practical recipes for using bash, the popular Unix shell that enables you to harness and customize the power of any Unix or Linux system.

Ideal for new and experienced users alike—including proficient Windows users and sysadmins—this updated second edition helps you solve a wide range of problems. You’ll learn ways to handle input/output, program execution, administrative tasks, file manipulation, and many other challenges. Each recipe includes one or more scripting examples and a discussion of why the solution works.

You’ll find recipes for problems including:standard output and input, shell logic, and arithmeticIntermediate shell tools and advanced scriptingSearching for files with find, and executing commandsShell variables, locate, and slocateWorking with dates and timesCreating shell scripts for various end-user tasksWorking with tasks that require parsingWriting secure shell scriptsConfiguring and customizing bash.

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Linux Command Line and Shell Scripting Bible

Command line statements can be combined into short programs called shell scripts, a practice increasing in popularity due to its usefulness in automation. The linux command line allows you to type specific shell commands directly into the system to manipulate files and query system resources. This third edition incorporates thirty pages of new functional examples that are fully updated to align with the latest Linux features.

Beginning with command line fundamentals, the book moves into shell scripting and shows you the practical application of commands in automating frequently performed functions. Why not learn to use the system to its utmost capability? Linux is a robust system with tremendous potential, and Linux Command Line and Shell Scripting Bible opens the door to new possibilities.

This guide includes useful tutorials, and a desk reference value of numerous examples. With detailed instruction and abundant examples, this book teaches you how to bypass the graphical interface and communicate directly with your computer, saving time and expanding capability. Talk directly to your system for a faster workflow with automation capability Linux Command Line and Shell Scripting Bible is your essential Linux guide.

Write simple script utilities to automate tasks understand the shell, e-mail, and web scripts Study scripting examples ranging from basic to advanced Whether used as a tutorial or as a quick reference, and create shell scripts Produce database, this book contains information that every Linux user should know.

This book is a complete guide providing detailed instruction and expert advice working within this aspect of Linux.