Preface xvii
Typographic Conventions
The following table describes the typographic conventions used in this book.
Table P-1 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.