DESCRIPTION
 The chroot utility changes its current and root directories to the supplied directory  newroot and then execs  command, if supplied, or an interactive copy of the users login shell.  If the -u , -g  or -G  options are given, the user, group and group list of the process are set to these values after the chroot(8) has taken place.  
ENVIRONMENT
 The following environment variable is referenced by chroot: