What Typographic Changes Mean

The following table describes the typographic changes used in this book.

Typographic Conventions

TABLE P-1

Typeface or
SymbolMeaningExample
AaBbCc123The names of commands, files, Edit your .loginfile.
and directories; on-screen Use ls -ato list all files.
computer outputmachine_name% You have mail.

machine_name% su
Password:
To delete a file, type rmfilename.

AaBbCc123

AaBbCc123

What you type, contrasted with on-screen computer output Command-line placeholder: replace with a real name or value

AaBbCc123Book titles, new words or terms, Read Chapter 6 in User's Guide. These
or words to be emphasizedare called classoptions.
You mustbe root to do this.

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.

Shell Prompts

TABLE P-2

ShellPrompt
C shell promptmachine_name%

machine_name# $

C shell superuser prompt Bourne shell and Korn shell prompt

Bourne shell and Korn shell #
superuser prompt

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