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@command{command-name}Use the @command command to indicate command names, such as
ls or cc.
@command is equivalent to @code in its effects.
For example:
The command @command{ls} lists directory contents.
produces
The command
lslists directory contents.
You should write the name of a program in the ordinary text font, rather
than using @command, if you regard it as a new English word,
such as ‘Emacs’ or ‘Bison’.
When writing an entire shell command invocation, as in ‘ls -l’,
you should use either @samp or @code at your discretion.