chroot(1L)

     NAME
          chroot - run command or interactive shell with special root
          directory

     SYNOPSIS
          chroot [--help] [--version] directory [command...]

     DESCRIPTION
          This documentation is no longer being maintained and may be
          inaccurate or incomplete.  The Texinfo documentation is now
          the authoritative source.

          This manual page documents the GNU version of chroot.
          chroot runs a command with the root directory for file name
          translation changed to the specified directory.  If no
          command is given, chroot runs an interactive shell.  The
          `SHELL' environment variable specifies the shell program;
          the default is /bin/sh.

        OPTIONS
          --help Print a usage message on standard output and exit
          successfully.

          --version
               Print version information on standard output then exit
               successfully.

        NOTES
          On many systems only the super-user can change root
          directory.