Korn Shell Programming

Basics of Korn Shell Environment Programming-intro
Flow control Input-Output Process Handling




Basics of Korn Shell.

Shell is a user interface between computer and a user. Windows-95, Dos, Os/2 are all Shells as well as operating systems. Unix is an operating systems while Korn shell, Bourne Shell, C shell are the user interface to the Unix operating systems. Shells are means and ways to communicate with computer through command line.
If I want to e-mail me a calander of current month at the beginning of each month, I will use

cal | mail sbajwa
In this command, I am telling computer to throw the current calandar at output and them I am piping (|) that output to mail which is sending it to user sbajwa.

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Environment.

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Introduction to Programming.

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Flow control.

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Input Output.

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Process Handling

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Fundamentals of Unix Unix commands User Accounts Shell Programming
File Systems Networking Backups Security
Installing software Installing Hardware Performance and Tuning Some Useful Scripts

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