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OpenDarwin 7.2.1 - man page for chroot (opendarwin section 8)

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

     chroot -- change root directory

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

     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

     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 has taken place.	See setgid(2), setgroups(2), setuid(2),
     getgrnam(3) and getpwnam(3).

     Note, command or the shell are run as your real-user-id.

     The following environment variable is referenced by :

     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.

     chdir(2), chroot(2), environ(7), jail(8)

     The chroot utility first appeared in 4.4BSD.

     chroot should never be installed setuid root, as it would then be possible to exploit the
     program to gain root privileges.

BSD					 January 24, 2002				      BSD
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