GNU Rush – a restricted user shell (split by node):   Section:   Chapter:FastBack: Configuration File   Up: Request   FastForward: Default Configuration   Contents: Table of ContentsIndex: Concept Index Request variables

The following variables can be used to refer to various parts of the user request:

$userUser name
$groupName of the user’s principal group
$homeUser’s home directory
$gecosUser’s GECOS field
$programExecutable program name
$commandEntire command line
$#Number of arguments in ‘$command