Programming with the UNIX system shell
This topic shows you
how the UNIX system shell
can help you do routine tasks.
For example, it tells you how to use the shell
to manage your files,
to manipulate file contents, and to group commands
together in programs.
The topic is organized in two major sections:
To get the most benefit from this tutorial
you should log into your UNIX system and recreate the
examples as you read the text.
``Shell command language''
describes the use of the shell as a command interpreter.
It tells you how to use shell commands
and characters with special meanings
to manage files, redirect standard input and output,
and execute and terminate processes.
details the use of the shell
as a programming language.
It tells you how to create, execute, and debug programs
made up of commands, variables,
and programming constructs
such as loops and case statements.
Finally, it tells you how to
modify your login environment.
Exercises are provided for the
Shell Command Language
Answers are listed at the end of each section.
Your UNIX system might not have
all the commands referenced in this section.
If you cannot access a command,
check with your system administrator
to find out whether it is available.
Shell command language
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 27 April 2004