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Preface xxi
Typographic Conventions
Note – Characters display differently depending on browser settings. If characters
do not display correctly, change the character encoding in your browser to Unicode
UTF-8.
Typeface Meaning Examples
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, when contrasted
with on-screen computer output
%
su
Password:
AaBbCc123 Book titles, new words or terms,
words to be emphasized.
Replace command-line variables
with real names or values.
Read Chapter 6 in the User’s Guide.
These are called class options.
You must be superuser to do this.
To delete a file, type rm filename.