devdaily.com directory : Unix : Shells

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devdaily.com directory : Unix : Shells

Directory : Unix : Shells

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An Introduction to the UNIX Shell - Explains what the Unix shell is, how to use it, its purpose, and ways to modify it.

PS I Love You - PostScript isn't just for printers anymore. Learn how you can use it to do what you need and why it is so simple to understand.

Quick Lessons on Shell Programming - This article explores the programming power of the Unix shell in its various incarnations, including the Bourne Shell (sh), the Korn Shell (ksh), the C Shell (csh), the Bourne Again Shell (bash).

Shell Programming and Simple Menus - part 1 - Any programmer or system administrator can benefit from limiting end-user access to the things that they actually need. This tutorial shows you how.

Shell Programming and Simple Menus - part 2 - In the next part, the author explains the 2 parts of the menu system: the shell script that executes the menu, and a separate "data" file that contains the menu prompts and commands to be executed.

The Language of Shells - Learn to "shell program" in Unix with this easy to follow introduction.

Tips on Good Shell Programming Practices - Learn to improve your shell programming and how to take shortcuts to save you time and energy.

Traveling Down the Unix Path - Why is it that some commands can simply be executed, while others must be ./executed? In other words, why do some commands need a dot-slash in front of them to run? Find the answers here.

Understanding Unix Shells and Environment Variables, Part 1 - Article that illustrates the difference between a shell variable and enviroment variable, and shows different ways on how to use them.

Understanding Unix Shells and Environment Variables, Part 2 - In addition to variables that you create, the shell itself requires or takes advantage of variables that can be set up for it.

Unix Shells FAQ - The following article answers the frequently asked questions about Unix shells, available shells, differences between them and how you can change your interactive shell.

Using bc, Part 1 - Here the author to illustrates the use of the bc utility, and some shell programming techniques.

Using bc, Part 2 - The second installment of learning to use the bc utility.

Using Cron Basics - Cron has become several files and several programs, and at first glance it seems quite complex. Fortunately, someone was clever enough to create a simplified interface along with the new complexity.

Using History and Command Line Editing - In this article the author will show you some of the ins and outs of history and command line editing in the Korn shell.