is used for UNIX filenames, commands not built into the shell,
(which are files anyway), and shell functions.
is also used for dummy parameters that should
be replaced with an actual value, to distinguish the vi
programs from their Korn-shell modes, and to highlight special
first time they are defined.
is used for Korn shell built-in commands, aliases, variables, and options, as well
as command lines when they are within regular text. Bold
is used for all elements typed in by the user.
is used in examples to show the contents of files or the
output from commands.
is used in examples to show interaction between the user and
the shell; any text the user types in is shown in
. For example:
is used in displayed command lines for dummy parameters that should
be replaced with an actual value.
is used in Chapter 2
to show the position
of the cursor on the command line being edited. For example:
grep -l Bob < ~pete/wk/n