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CHROOT(8)               FreeBSD System Manager's Manual              CHROOT(8)

NAME
     chroot - change root directory

SYNOPSIS
     chroot [-u user] [-g group] [-G group,group,...] newroot [command]

DESCRIPTION
     The chroot utility changes its current and root directories to the
     supplied directory newroot and then exec's command, if supplied, or an
     interactive copy of the user's 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:

     SHELL      If set, the string specified by SHELL is interpreted as the
                name of the shell to exec.  If the variable SHELL is not set,
                /bin/sh is used.

SEE ALSO
     chdir(2), chroot(2), setgid(2), setgroups(2), setuid(2), getgrnam(3),
     environ(7), jail(8)

HISTORY
     The chroot utility first appeared in 4.4BSD.

FreeBSD 12.1-STABLE              June 7, 2003              FreeBSD 12.1-STABLE

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