use the following:
@smallexample
-@kbd{--file=@var{hostname}:/@var{dev}/@var{file name}}
+@kbd{--file=@var{hostname}:/@var{dev}/@var{file_name}}
@end smallexample
@noindent
@command{tar} will complete the remote connection, if possible, and
prompt you for a username and password. If you use
-@option{--file=@@@var{hostname}:/@var{dev}/@var{file name}}, @command{tar}
+@option{--file=@@@var{hostname}:/@var{dev}/@var{file_name}}, @command{tar}
will complete the remote connection, if possible, using your username
as the username on the remote machine.
@table @option
@opindex files-from
-@item --files-from=@var{file name}
-@itemx -T @var{file name}
-Get names to extract or create from file @var{file name}.
+@item --files-from=@var{file_name}
+@itemx -T @var{file_name}
+Get names to extract or create from file @var{file_name}.
@end table
If you give a single dash as a file name for @option{--files-from}, (i.e.,
Request @command{tar} to explain possible responses
@item q
Request @command{tar} to exit immediately.
-@item n @var{file name}
-Request @command{tar} to write the next volume on the file @var{file name}.
+@item n @var{file_name}
+Request @command{tar} to write the next volume on the file @var{file_name}.
@item !
Request @command{tar} to run a subshell. This option can be disabled
by giving @option{--restrict} command line option to @command{tar}.