
Preface xiii
Typographic Conventions
The following table describes the typographic changes used in this book.
Shell Prompts
The following table shows the default system prompt and superuser prompt for the
C shell, Bourne shell, and Korn shell.
Typeface or
Symbol Meaning Example
AaBbCc123 The names of commands, files,
and directories; on-screen
computer output
Edit your.login file.
Use ls -a to list all files.
You have mail.
AaBbCc123
What you type, contrasted with
on-screen computer output
machine_name% su
Password:
AaBbCc123 Command-line placeholder:
replace with a real name or
value
To delete a file, type rm filename.
AaBbCc123 Book titles, new words or terms,
or words to be emphasized
Read Chapter 6 in the User’s Guide.
These are called class options.
You must be root to do this.
Shell Prompt
C shell machine_name%
C shell superuser machine_name#
Bourne shell and Korn shell $
Bourne shell and Korn shell
superuser
#
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