chrootuid - run command in restricted environment
chrootuid [-i] newroot newuser command...
The chrootuid command sets up a restricted environment for executing
command. Access to the file system is restricted to the newroot
subtree; privileges are restricted to those of the newuser account
(which must be a known account in the unrestricted environment). The
initial working directory is changed to newroot.
chrootuid combines chroot(8) and su(1) into one program, so that there
is no need to have commands such as /usr/bin/su in the restricted
Only the superuser can use the chrootuid command.
There is only one option for chrootuid: -i. That option makes it run in
interactive mode. Errors will be printed on stderr instead of through
syslog and the exit status will be 1 if there are any errors.
The exit status of chrootuid when running on daemon mode (default) is
If it is running on interactive mode, it will exit with an exit status
of 1 if there is any error in its invocation, otherwise the exit status
is the exit status of command.
Problems are reported to the syslog daemon if running on daemon mode.
If running on interactive mode, errors are reported on stderr.
Eindhoven University of Technology
Department of Mathematics and Computer Science
Den Dolech 2, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
IBM T.J. Watson Research
P.O. Box 704
Yorktown Heights, NY 10598, USA
Tue Oct 13 11:37:29 MET 1992
Mon May 20 22:49:02 CEST 2007