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Books : Computers & Internet : Operating Systems : Unix : Shell
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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.
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O'Reilly's bestselling book on Linux's bash shell is at it again. 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. 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. In other words, it's what lets you communicate with the computer via the keyboard and display. Mastering the bash shell might sound fairly simple but it isn't. 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. 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. With this book, programmers will learn:
How to install bash as your login shell
The basics of interactive shell use, including UNIX file and directory structures, standard I/O, and background jobs
Command line editing, history substitution, and key bindings
How to customize your shell environment without programming
The nuts and bolts of basic shell programming, flow control structures, command-line options and typed variables
Process handling, from job control to processes, coroutines andsubshells
Debugging techniques, such as trace and verbose modes
Techniques for implementing system-wide shell customization and features related to system security
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Shell scripting skills never go out of style. It's the shell that unlocks the real potential of Unix. Shell scripting is essential for Unix users and system administrators-a way to quickly harness and customize the full power of any Unix system. With shell scripts, you can combine the fundamental Unix text and file processing commands to crunch data and automate repetitive tasks. But beneath this simple promise lies a treacherous ocean of variations in Unix commands and standards. "Classic Shell Scripting" is written to help you reliably navigate these tricky waters.Writing shell scripts requires more than just a knowledge of the shell language, it also requires familiarity with the individual Unix programs: why each one is there, how to use them by themselves, and in combination with the other programs. The authors are intimately familiar with the tips and tricks that can be used to create excellent scripts, as well as the traps that can make your best effort a bad shell script. With "Classic Shell Scripting" you'll avoid hours of wasted effort. You'll learn not only write useful shell scripts, but how to do it properly and portably.
The ability to program and customize the shell quickly, reliably, and portably to get the best out of any individual system is an important skill for anyone operating and maintaining Unix or Linux systems. "Classic Shell Scripting" gives you everything you need to master these essential skills.
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Over the last few years, Linux has grown both as an operating system and a tool for personal and business use. Simultaneously becoming more user friendly and more powerful as a back-end system, Linux has achieved new plateaus: the newer filesystems have solidified, new commands and tools have appeared and become standard, and the desktop--including new desktop environments--have proved to be viable, stable, and readily accessible to even those who don't consider themselves computer gurus.Whether you're using Linux for personal software projects, for a small office or home office (often termed the SOHO environment), to provide services to a small group of colleagues, or to administer a site responsible for millions of email and web connections each day, you need quick access to information on a wide range of tools. This book covers all aspects of administering and making effective use of Linux systems. Among its topics are booting, package management, and revision control. But foremost in "Linux in a Nutshell" are the utilities and commands that make Linux one of the most powerful and flexible systems available.
Now in its fifth edition, "Linux in a Nutshell" brings users up-to-date with the current state of Linux. Considered by many to be the most complete and authoritative command reference for Linux available, the book covers all substantial user, programming, administration, and networking commands for the most common Linux distributions.
Comprehensive but concise, the fifth edition has been updated to cover new features of major Linux distributions. Configuration information for the rapidly growing commercial network services and community update services isone of the subjects covered for the first time.
But that's just the beginning. The book covers editors, shells, and LILO and GRUB boot options. There's also coverage of Apache, Samba, Postfix, sendmail, CVS, Subversion, Emacs, vi, sed, gawk, and much more. Everything that system administrators, developers, and power users need to know about Linux is referenced here, and they will turn to this book again and again.
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The key to mastering any Unix system, especially Linux and Mac OS X, is a thorough knowledge of shell scripting. Scripting is a way to harness and customize the power of any Unix system, and it's an essential skill for any Unix users, including system administrators and professional OS X developers. But beneath this simple promise lies a treacherous ocean of variations in Unix commands and standards."bash Cookbook" teaches shell scripting the way Unix masters practice the craft. It presents a variety of recipes and tricks for all levels of shell programmers so that anyone can become a proficient user of the most common Unix shell -- the bash shell -- and cygwin or other popular Unix emulation packages. Packed full of useful scripts, along with examples that explain how to create better scripts, this new cookbook gives professionals and power users everything they need to automate routine tasks and enable them to truly manage their systems -- rather than have their systems manage them.
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UNIX expert Randal K. Michael guides you through every detail of writing shell scripts to automate specific tasks. Each chapter begins with a typical, everyday UNIX challenge, then shows you how to take basic syntax and turn it into a shell scripting solution. Covering Bash, Bourne, and Korn shell scripting, this updated edition provides complete shell scripts plus detailed descriptions of each part. UNIX programmers and system administrators can tailor these to build tools that monitor for specific system events and situations, building solid UNIX shell scripting skills to solve real-world system administration problems.
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Unix Shell Programming is a tutorial aimed at helping Unix and Linux users get optimal performance out of their operating out of their operating system. It shows them how to take control of their systems and work efficiently by harnessing the power of the shell to solve common problems. The reader learns everything he or she needs to know to customize the way a Unix system responds.
The vast majority of Unix users utilize the Korn shell or some variant of the Bourne shell, such as bash. Three are covered in the third edition of Unix Shell Programming. It begins with a generalized tutorial of Unix and tools and then moves into detailed coverage of shell programming.
Topics covered include: regular expressions, the kernel and the utilities, command files, parameters, manipulating text filters, understanding and debugging shell scripts, creating and utilizing variables, tools, processes, and customizing the shell.
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The vast majority of users utilize the Korn Shell or some variant of the Bourne Shell, such as bash. Sams Teach Yourself Shell Programming in 24 Hours covers these shells. It begins with a generalized tutorial of Unix and tools and then moves into detailed coverage of shell programming. Sams Teach Yourself Shell Programming in 24 Hours is one of the best values because it provides readers with more information for less money. This book uses the effective and proven 'Teach Yourself' format to instruct the reader how to make their shell work for them. It covers useful information including: managing input/output, manipulating text filters, understanding and debugging shell scripts, creating and utilizing variables, tools, processes, and customizing the shell.
Sams Teach Yourself Shell Programming in 24 Hours is a tutorial aimed at assisting Unix and Linux users to get optimal performance out of their operating system. It shows them how to take control of their systems and work efficiently by har4nessing the power of the shell to solve common problems.
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With the expert techniques discussed in this book, Oracle database administrators can automate routine tasks to save time and money and better monitor the flow of work. Using shell scripts—an indispensable tool on UIX and Linux—any number of commands can be combined and executed either simultaneously or sequentially. More than 50 working shell scripts for both beginners and experts give Oracle professionals a fantastic head-start on automating their administration duties and are easily modifiable for any environment. Topics include the history of shells and shell scripting, detailed step-by-step instructions on building shell scripts, how to tell when things are working right, and how to effectively monitor the system for failures.
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The Korn shell is an interactive command and scripting language for accessing Unix® and other computer systems. As a complete and high-level programming language in itself, it's been a favorite since it was developed in the mid 1980s by David G. Korn at AT&T Bell Laboratories. Knowing how to use it is an essential skill for serious Unix users. Learning the Korn Shell shows you how to use the Korn shell as a user interface and as a programming environment. Writing applications is often easier and quicker with Korn than with other high-level languages. Because of this, the Korn shell is the most often used shell in commercial environments and among inexperienced users. There are two other widely used shells, the Bourne shell and the C shell. The Korn shell, or ksh, has the best features of both, plus many new features of its own. ksh can do much to enhance productivity and the quality of a user's work, both in interacting with the system, and in programming. The new version, ksh93, has the functionality of other scripting languages such as awk, icon, Perl, rexx, and tcl. Learning the Korn Shell is the key to gaining control of the Korn shell and becoming adept at using it as an interactive command and scripting language. Prior programming experience is not required in order to understand the chapters on basic shell programming. Readers will learn how to write many applications more easily and quickly than with other high-level languages. In addition, readers will also learn about Unix utilities and the way the Unix operating system works in general. The authors maintain that you shouldn't have to be an internals expert to use and program the shell effectively. The second edition covers all the features of the current version of the Korn shell, including many new features not in earlier versions of ksh93, making it the most up-to-date reference available on the Korn shell. It compares the current version of the Korn shell to several other Bourne-compatible shells, including several Unix emulation environments for MS-DOS and Windows. In addition, it describes how to download and build ksh93 from source code. A solid offering for many years, this newly revised title inherits a long tradition of trust among computer professionals who want to learn or refine an essential skill.
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The Definitive UNIX Resource--Fully UpdatedGet cutting-edge coverage of the newest releases of UNIX--including Solaris 10, all Linux distributions, HP-UX, AIX, and FreeBSD--from this thoroughly revised, one-stop resource for users at all experience levels. Written by UNIX experts with many years of experience starting with Bell Laboratories, UNIX: The Complete Reference, Second Edition provides step-by-step instructions on how to use UNIX and take advantage of its powerful tools and utilities.
Get up-and-running on UNIX quickly, use the command shell and desktop, and access the Internet and e-mail. You'll also learn to administer systems and networks, develop applications, and secure your UNIX environment. Up-to-date chapters on UNIX desktops, Samba, Python, Java Apache, and UNIX Web development are included.
- Install, configure, and maintain UNIX on your PC or workstation
- Work with files, directories, commands, and the UNIX shell
- Create and modify text files using powerful text editors
- Use UNIX desktops, including GNOME, CDE, and KDE, as an end user or system administrator
- Use and manage e-mail, TCP/IP networking, and Internet services
- Protect and maintain the security of your UNIX system and network
- Share devices, printers, and files between Windows and UNIX systems
- Use powerful UNIX tools, including awk, sed, and grep
- Develop your own shell, Python, and Perl scripts, and Java, C, and C++ programs under UNIX
- Set up Apache Web servers and develop browser-independent Web sites and applications
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Fun and functional Linux, Mac OS X and UNIX shell scripts The UNIX shell is the main scripting environment of every Linux, Mac OS X and UNIX system, whether a rescued laptop or a million-dollar mainframe. This cookbook of useful, customizable, and fun scripts gives you the tools to solve common Linux, Mac OS X and UNIX problems and personalize your computing environment. Among the more than 100 scripts included are an interactive calculator, a spell checker, a disk backup utility, a weather tracker, and a web logfile analysis tool. The book also teaches you how to write your own sophisticated shell scripts by explaining the syntax and techniques used to build each example scripts. Examples are written in Bourne Shell (sh) syntax.
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According to IDC, over 170,000 new servers were shipped in the first quarter of 2003. That also means that there were potentially more than 170,000 people like you charged with administering these systems without the proper knowledge or training to do so. Linux Shell Scripting with Bash will help you learn to not only get your system up and running quickly by employing the Bash shell, but it will also show you professional scripting solutions through the use of structured programming and standard Linux development tools. The book focuses on the Linux environment, which the shell relies on to function, and the robust Linux tool set, making this book ideal for learning shell scripting. Real-world scripts are included that are readable, extendable and easy to debug. This book is an asset to any Linux user.
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The GNU/Linux® success story is well known. Firmly established as a high-performance operating system, its worldwide installations are increasing at phenomenal rates. Much of this success has been on the server side, but more and more PC users are turning to Linux on the desktop, as well. For those grounded in Microsoft Windows® or Apple Macintosh® graphical interfaces, the first look at a powerful Unix-style operating system can be daunting. This book provides a clear, no-nonsense introduction to the popular Red Hat® distribution of Linux. It takes you through installation and shows you the key parts of the system, always with an eye toward what can go wrong and what you need to know to get over the humps. Linux is known as a secure environment and a good platform to run a web server. These topics are among the many covered in this book. But did you know you can also burn CDs, sync a PalmPilot™, and edit slideshow presentations with powerful tools on Linux? Those topics are covered here, too. Red Hat currently provides two distributions, both documented in this book. The first is their commercial, subscription-based product, called Red Hat Enterprise Linux and also available through retail channels as Red Hat Professional Workstation. The second is the freely distributed Fedora distribution. The Publisher's Edition of Fedora is included in this book on two disks. New in this edition are installation instructions for Red Hat Enterprise Linux and Fedora, package updating for Red Hat Enterprise Linux and Fedora, information on the GRUB bootloader, and the CUPS printer system. Learning Red Hat Enterprise Linux and Fedora tells you how to:- Prepare your system for installing Linux
- Install and configure Linux and the two popular desktop environments, GNOME and KDE.
- Run the most popular productivity tools on Linux: mailers, web browsers, OpenOffice, and Evolution.
- Obtain and set up software through the Red Hat Package Manager (RPM)
- Set up a Linux system for networking, either on your local area network (LAN), or via a dialup connection to the Internet.
- Use the system-administration tools included with Red Hat, GNOME, and KDE, including such valuable utilities as Samba file-sharing and the Apache web server.
- Understand and write shell scripts so you can peek under the hood and extend the power of Linux.
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If you use UNIX, you probably use csh to type commands even if you've never heard of it. It's the standard shell (command line) on most UNIX systems. tcsh is an enhanced version that's freely available and highly recommended. Using csh & tcsh describes from the beginning how to use these shells interactively. More important, it shows how to get your work done faster with less typing. Even if you've used UNIX for years, techniques described in this book can make you more efficient. You'll learn how to:- Make your prompt tell you where you are (no more pwd)
- Use what you've typed before (history)
- Type long command lines with very few keystrokes (command and filename completion)
- Remind yourself of filenames when in the middle of typing a command
- Edit a botched command instead of retyping it
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A tutorial designed for anyone needing to create simple Kornshell scripts--system administrators, programmers at various levels and UNIX users. Rosenberg has given us a book that is 85% examples-oriented. This unique format allows readers to learn Kornshell Script programming in the shortest amount of time.