Font and format conventions for Unix commands, utilities, and system
Excerpts from script or configuration files will be shown in a
Sample interactive sessions, showing command-line input and
corresponding output, will be shown in a constant-width font, with
user-supplied input in bold:
If the command can be typed by any user, the percent sign
(%) will be shown as the prompt. If the command
must be executed by the superuser, then the pound sign
(#) will be shown as the prompt:
# /usr/sbin/ypinint -m
If a particular command must be typed on a particular machine, the
prompt will include a hostname:
bitatron# mount wahoo:/export /mnt
Inside of an excerpt from a script, configuration file, or other
ASCII file, the pound sign will be used to indicate the beginning of
a comment (unless the configuration file requires a different comment
character, such as an asterisk (*)):
Unix commands and command lines are printed in italics when they
appear in the body of a paragraph. For example, the
ls command lists files in a directory.
Hostnames are printed in italics. For example, server
wahoo contains home directories.
Filenames are printed in italics, for example, the
NIS map names and mount options are printed in italics. The
passwd map is used with the
/etc/passwd file, and the
timeo mount option changes NFS client behavior.
System and library calls are printed in italics, with parentheses to
indicate that they are C routines. For example, the
gethostent( ) library call locates a hostname in
an NIS map.
Control characters will be shown with a CTRL prefix, for example, CTRL-Z.
0.5. Differences between the first edition and second edition