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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
commit253e67c8b3a72b3a4757fdbc5845297628db0a4a (patch)
treeadf53b66087aa30dfbf8bf391a1dadb044c3bf4d /static/netbsd/man8/chroot.8
parenta9157ce950dfe2fc30795d43b9d79b9d1bffc48b (diff)
docs: Added All NetBSD Manuals
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+.\" $NetBSD: chroot.8,v 1.14 2011/08/15 14:43:17 wiz Exp $
+.\"
+.\" Copyright (c) 1988, 1991, 1993
+.\" The Regents of the University of California. All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. Neither the name of the University nor the names of its contributors
+.\" may be used to endorse or promote products derived from this software
+.\" without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" from: @(#)chroot.8 8.1 (Berkeley) 6/9/93
+.\"
+.Dd August 13, 2011
+.Dt CHROOT 8
+.Os
+.Sh NAME
+.Nm chroot
+.Nd change root directory
+.Sh SYNOPSIS
+.Nm
+.Op Fl G Ar group,group,...
+.Op Fl g Ar group
+.Op Fl u Ar user
+.Ar newroot
+.Op Ar command
+.Sh DESCRIPTION
+The
+.Nm
+command changes its root directory to the supplied directory
+.Ar newroot
+and exec's
+.Ar command ,
+or, if not supplied, an interactive copy of your shell.
+.Pp
+If the
+.Fl u ,
+.Fl g ,
+or
+.Fl 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
+.Xr setgid 2 ,
+.Xr setgroups 2 ,
+.Xr setuid 2 ,
+.Xr getgrnam 3 ,
+and
+.Xr getpwnam 3 .
+.Pp
+Note:
+.Ar command
+or the shell are run as your real-user-id.
+.Sh ENVIRONMENT
+The following environment variable is referenced by
+.Nm :
+.Bl -tag -width SHELL
+.It Ev SHELL
+If set,
+the string specified by
+.Ev SHELL
+is interpreted as the name of
+the shell to exec.
+If the variable
+.Ev SHELL
+is not set,
+.Pa /bin/sh
+is used.
+.El
+.Sh SEE ALSO
+.Xr ldd 1 ,
+.Xr chdir 2 ,
+.Xr chroot 2 ,
+.Xr environ 7
+.Sh HISTORY
+The
+.Nm
+utility first appeared in
+.Bx 4.4 .
+.Sh SECURITY CONSIDERATIONS
+.Nm
+should never be installed setuid root, as it would then be possible
+to exploit the program to gain root privileges.