BSD 4_3_Net_2 release

[unix-history] / usr / src / usr.sbin / chroot / chroot.8

diff --git a/usr/src/usr.sbin/chroot/chroot.8 b/usr/src/usr.sbin/chroot/chroot.8
index 786b81f..579ccce 100644 (file)
--- a/usr/src/usr.sbin/chroot/chroot.8
+++ b/usr/src/usr.sbin/chroot/chroot.8
@@ -1,46 +1,80 @@
-.\" Copyright (c) 1988 The Regents of the University of California.
+.\" Copyright (c) 1988, 1991 The Regents of the University of California.

 .\" All rights reserved.
 .\"
 .\" All rights reserved.
 .\"

-.\" Redistribution and use in source and binary forms are permitted provided
-.\" that: (1) source distributions retain this entire copyright notice and
-.\" comment, and (2) distributions including binaries display the following
-.\" acknowledgement:  ``This product includes software developed by the
-.\" University of California, Berkeley and its contributors'' in the
-.\" documentation or other materials provided with the distribution and in
-.\" all advertising materials mentioning features or use of this software.
-.\" 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
-.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
-.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+.\" 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. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"    This product includes software developed by the University of
+.\"    California, Berkeley and its contributors.
+.\" 4. 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.

 .\"
 .\"

-.\"    @(#)chroot.8    5.2 (Berkeley) 6/24/90
+.\" 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.

 .\"
 .\"

-.TH CHROOT 8 "June 24, 1990"
-.UC 6
-.SH NAME
-chroot \- change root directory
-.SH SYNOPSIS
-.B chroot newroot [ command ]
-.SH DESCRIPTION
+.\"     @(#)chroot.8   5.3 (Berkeley) 3/16/91
+.\"
+.Dd March 16, 1991
+.Dt CHROOT 8
+.Os BSD 4.3
+.Sh NAME
+.Nm chroot
+.Nd change root directory
+.Sh SYNOPSIS
+.Nm chroot
+.Ar newroot
+.Op Ar command
+.Sh DESCRIPTION

 The
 The

-.I chroot
+.Nm chroot

 command changes its root directory to the supplied directory
 command changes its root directory to the supplied directory

-.I newroot
+.Ar newroot

 and exec's
 and exec's

-.IR command ,
-if supplied, or an interactive copy of your shell (as specified
-by the environmental variable
-.IR SHELL )
-if not.
-.I /bin/sh
-is used if
-.I SHELL
-is not specified.
-.PP
+.Ar command ,
+if supplied, or an interactive copy of your shell.
+.Pp

 Note,
 Note,

-.I command
+.Ar command

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

-.SH "SEE ALSO"
-chdir(2), chroot(2), environ(7)
+.Sh ENVIRONMENT
+The following environment variable is referenced by
+.Nm chroot :
+.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 chdir 2 ,
+.Xr chroot 2 ,
+.Xr environ 7
+.Sh HISTORY
+The
+.Nm
+command
+.Ud