Learning the bash Shell

Unix Shell Programming

Author: Cameron Newham

Publisher: "O'Reilly Media, Inc."

ISBN: 9780596555009

Category: Computers

Page: 354

View: 9498

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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 and subshells Debugging techniques, such as trace and verbose modes Techniques for implementing system-wide shell customization and features related to system security

UNIX Administration

A Comprehensive Sourcebook for Effective Systems & Network Management

Author: Bozidar Levi

Publisher: CRC Press

ISBN: 1420000039

Category: Computers

Page: 768

View: 837

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To configure and maintain an operating system is serious business. With UNIX and its wide variety of "flavors," it can be especially difficult and frustrating, and networking with UNIX adds still more challenges. UNIX Administration: A Comprehensive Sourcebook for Effective Systems & Network Management is a one-stop handbook for the administration and maintenance of UNIX systems and networks. With an outstanding balance of concepts and practical matters, it covers the entire range of administrative tasks, from the most basic to the advanced, from system startup and shutdown to network security and kernel reconfiguration. While focusing on the primary UNIX platforms, the author discusses all of the most common UNIX “flavors,” including Solaris, Linux, HP-UX, AIX and SGI IRIX. Three chapters of case studies offer a practical look at UNIX implementation issues: UNIX installation, disk space upgrade, and several emergency situations that every administrator must expect to face at some point. Diverse yet detailed, filled with examples and specific procedures, this is the one book that both the novice and the seasoned professional need to learn UNIX administration and effectively perform their daily system and network-related duties.

UNIX in a nutshell

Author: Arnold Robbins

Publisher: O'Reilly Media, Inc.

ISBN: 9780596100292

Category: Computers

Page: 885

View: 3824

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A guide to the operating system's commands and options covers the shell, package management, text editing, source code management, and GDB debugger.

UNIX POWER TOOLS, 2ND EDITION

Author: Tim O'Reilly,Michael Kosta Loukides

Publisher: Oreilly & Associates Incorporated

ISBN: N.A

Category: Computers

Page: 1073

View: 7097

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Loaded with even more practical advice about almost every aspect of UNIX, an updated best-seller addresses POSIX utilities, bash and tcsh shells, Perl, and much more. Original. (Advanced).

Designing with Javascript

Creating Dynamic Web Pages

Author: Nick Heinle,Bill Peña

Publisher: "O'Reilly Media, Inc."

ISBN: 9781565923607

Category: Computers

Page: 216

View: 3219

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A guide for beginners offers an overview of JavaScript basics and explains how to create Web pages, identify browsers, and integrate sound, graphics, and animation into Web applications

Java in a Nutshell

A Desktop Quick Reference for Java Programmers

Author: David Flanagan

Publisher: N.A

ISBN: 9781565921832

Category: Java (Computer program language).

Page: 438

View: 6239

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Java in a Nutshellis a complete quick-reference guide to Java, the hot new programming language from Sun Microsystems. This comprehensive volume contains descriptions of all of the classes in the Java 1.0 API, with a definitive listing of all methods and variables. It also contains an accelerated introduction to Java for C and C++ programmers who want to learn the languagefast. Java in a Nutshellintroduces the Java programming language and contains many practical examples that show programmers how to write Java applications and applets. It is also an indispensable quick reference designed to wait faithfully by the side of every Java programmer's keyboard. It puts all the information Java programmers need right at their fingertips. Contents include: An advanced introduction to Java. The first three chapters will teach C and C++ programmers everything they need to know to start programming with Java right away. Practical, real-world examples that show programmers how to write applets; implement smooth animation; create graphical user interfaces; write client and server programs that communicate over the network; use threads; and more A compact reference to the 211 classes, 1828 methods and 235 variables in the Java 1.0 API Descriptions of each class A Java keyword and concept glossary Quick-reference tables of operators, primitives, escape characters, visibility modifiers, doc comment syntax, events, keysyms, fonts, colors, cursors, system properties, Unicode and Java-related HTML syntax Documentation for the Java compiler, interpreter, and other tools in the Java Developer's Kit

Learning Unix for OS X

Going Deep With the Terminal and Shell

Author: Dave Taylor

Publisher: "O'Reilly Media, Inc."

ISBN: 1491939958

Category: Computers

Page: 238

View: 4139

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Think your Mac is powerful now? This practical guide shows you how to get much more from your system by tapping into Unix, the robust operating system concealed beneath OS X’s beautiful user interface. OS X puts more than a thousand Unix commands at your fingertips—for finding and managing files, remotely accessing your Mac from other computers, and using freely downloadable open source applications. If you’re an experienced Mac user, this updated edition teaches you all the basic commands you need to get started with Unix. You’ll soon learn how to gain real control over your system. Get your Mac to do exactly what you want, when you want Make changes to your Mac’s filesystem and directories Use Unix’s find, locate, and grep commands to locate files containing specific information Create unique "super commands" to perform tasks that you specify Run multiple Unix programs and processes at the same time Access remote servers and interact with remote filesystems Install the X Window system and learn the best X11 applications Take advantage of command-line features that let you shorten repetitive tasks

Bash Cookbook

Solutions and Examples for Bash Users

Author: Carl Albing,JP Vossen,Cameron Newham

Publisher: "O'Reilly Media, Inc."

ISBN: 0596516037

Category: Computers

Page: 600

View: 8282

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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.

Practical UNIX and Internet Security

Author: Simson Garfinkel,Gene Spafford

Publisher: O'Reilly

ISBN: N.A

Category: Computer networks

Page: 971

View: 6186

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WhenPractical UNIX Securitywas first published in 1991, it became an instant classic. Crammed with information about host security, it saved many a UNIX system administrator and user from disaster. This second edition is a complete rewrite of the original book. It's packed with twice the pages and offers even more practical information for UNIX users and administrators. It covers features of many types of UNIX systems, including SunOS, Solaris, BSDI, AIX, HP-UX, Digital UNIX, Linux, and others. The first edition was practical, entertaining, and full of useful scripts, tips, and warnings. This edition is all those things -- and more. If you are a UNIX system administrator or user in this security-conscious age, you need this book. It's a practical guide that spells out, in readable and entertaining language, the threats, the system vulnerabilities, and the countermeasures you can adopt to protect your UNIX system, network, and Internet connection. It's complete -- covering both host and network security -- and doesn't require that you be a programmer or a UNIX guru to use it. Practical UNIX & Internet Securitydescribes the issues, approaches, and methods for implementing security measures. It covers UNIX basics, the details of security, the ways that intruders can get into your system, and the ways you can detect them, clean up after them, and even prosecute them if they do get in. Filled with practical scripts, tricks, and warnings,Practical UNIX & Internet Securitytells you everything you need to know to make your UNIX system as secure as it possible can be. Contents include: Part I: Computer Security Basics. Introduction and security policies. Part II: User Responsibilities. Users and their passwords, groups, the superuser, the UNIX filesystem, and cryptography. Part III: System Administrator Responsibilities. Backups, defending accounts, integrity checking, log files, programmed threats, physical security, and personnel security. Part IV: Network and Internet Security: telephone security, UUCP, TCP/IP networks, TCP/IP services, WWW, RPC, NIS, NIS+, Kerberos, and NFS. Part V: Advanced Topics: firewalls, wrappers, proxies, and secure programming. Part VI: Handling Security Incidents: discovering a breakin, U.S. law, and trust. VII: Appendixes. UNIX system security checklist, important files, UNIX processes, paper and electronic sources, security organizations, and table of IP services.

Incident Response

Author: Kenneth R. Van Wyk,Richard Forno

Publisher: Oreilly & Associates Incorporated

ISBN: 9780596001308

Category: Computers

Page: 214

View: 5302

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"Incident Response is a complete guide for organizations of all sizes and types who are addressing their computer security issues."--BOOK JACKET.