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Customizing your environment
Configuring and working with the shells
What is a shell?
What the different shells are for
Identifying your login shell
What happens when you log in
Understanding variables
Setting shell variables
Setting environment variables
Exporting variables to the environment
A sample login script
Resetting the environment
Some features to make life easier
Making your prompt tell you where you are
Adding a logout script
Recalling and editing previous commands
Korn shell history editing
C shell history editing
Using aliases
How aliases are executed
How the shell works
How the shell executes commands
Sample shell startup files
The Bourne shell .profile
The Korn shell .profile and .kshrc
The C-shell .login and .cshrc
Further reading
Learning awk
Learning sed
Learning the shells
Learning the C programming language
Understanding the UNIX system
Index