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Preface xi
What Typographic Changes Mean
The following table describes the typographic changes used in this book.
Shell Prompts in Command Examples
The following table shows the default system prompt and superuser prompt
for the C shell, Bourne shell, and Korn shell.
Table P-2 Typographic Conventions
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.
machine_name% 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 User’s Guide.
These are called class options.
You must be root to do this.
Table P-3 Shell Prompts
Shell Prompt
C shell prompt machine_name%
C shell superuser prompt machine_name#
Bourne shell and Korn shell
prompt
$
Bourne shell and Korn shell
superuser prompt
#