CHROOT
Section: Maintenance Commands (8)
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BSD mandoc
BSD 4.3
NAME
chroot
- change root directory
SYNOPSIS
[-u user
]
[-g group
]
[-G group,group,...
]
newroot
[command
]
DESCRIPTION
The
command changes its root directory to the supplied directory
newroot
and exec's
command
if supplied, or an interactive copy of your 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 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.
ENVIRONMENT
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.
SEE ALSO
chdir(2),
chroot(2),
environ(7)
HISTORY
The
utility first appeared in
BSD 4.4
SECURITY CONSIDERATIONS
should never be installed setuid root, as it would then be possible
to exploit the program to gain root privileges.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- ENVIRONMENT
-
- SEE ALSO
-
- HISTORY
-
- SECURITY CONSIDERATIONS
-
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Time: 04:30:15 GMT, April 24, 2025