The following table describes the typographic conventions used in this book.
|The names of commands.||Use ls -l to list all files.|
|The names of files.||Edit .login.|
|On screen computer output.||
You have mail.
|What you type, when contrasted with on-screen computer output.||
% su Password:
|Manual page references.||Use su(1) to change user names.|
|User and group names||Only root can do this.|
|Emphasis||You must do this.|
|Command line variables; replace with the real name or variable.||To delete a file, type rm filename|
|Environment variables||$HOME is your home directory.|