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b42074ab | 1 | .\" Copyright (c) 1988, 1991 The Regents of the University of California. |
a01ced3e KB |
2 | .\" All rights reserved. |
3 | .\" | |
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4 | .\" Redistribution and use in source and binary forms, with or without |
5 | .\" modification, are permitted provided that the following conditions | |
6 | .\" are met: | |
7 | .\" 1. Redistributions of source code must retain the above copyright | |
8 | .\" notice, this list of conditions and the following disclaimer. | |
9 | .\" 2. Redistributions in binary form must reproduce the above copyright | |
10 | .\" notice, this list of conditions and the following disclaimer in the | |
11 | .\" documentation and/or other materials provided with the distribution. | |
12 | .\" 3. All advertising materials mentioning features or use of this software | |
13 | .\" must display the following acknowledgement: | |
14 | .\" This product includes software developed by the University of | |
15 | .\" California, Berkeley and its contributors. | |
16 | .\" 4. Neither the name of the University nor the names of its contributors | |
17 | .\" may be used to endorse or promote products derived from this software | |
18 | .\" without specific prior written permission. | |
19 | .\" | |
20 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
21 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
24 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
25 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
26 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
27 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
28 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
30 | .\" SUCH DAMAGE. | |
a01ced3e | 31 | .\" |
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32 | .\" @(#)chroot.8 5.3 (Berkeley) 3/16/91 |
33 | .\" | |
34 | .Dd March 16, 1991 | |
b42074ab CL |
35 | .Dt CHROOT 8 |
36 | .Os BSD 4.3 | |
37 | .Sh NAME | |
38 | .Nm chroot | |
39 | .Nd change root directory | |
40 | .Sh SYNOPSIS | |
41 | .Nm chroot | |
42 | .Ar newroot | |
43 | .Op Ar command | |
44 | .Sh DESCRIPTION | |
a01ced3e | 45 | The |
b42074ab | 46 | .Nm chroot |
a01ced3e | 47 | command changes its root directory to the supplied directory |
b42074ab | 48 | .Ar newroot |
a01ced3e | 49 | and exec's |
b42074ab CL |
50 | .Ar command , |
51 | if supplied, or an interactive copy of your shell. | |
52 | .Pp | |
a01ced3e | 53 | Note, |
b42074ab | 54 | .Ar command |
a01ced3e | 55 | or the shell are run as your real-user-id. |
b42074ab CL |
56 | .Sh ENVIRONMENT |
57 | The following environment variable is referenced by | |
58 | .Nm chroot : | |
59 | .Bl -tag -width SHELL | |
60 | .It Ev SHELL | |
61 | If set, | |
62 | the string specified by | |
63 | .Ev SHELL | |
64 | is interpreted as the name of | |
65 | the shell to exec. | |
66 | If the variable | |
67 | .Ev SHELL | |
68 | is not set, | |
69 | .Pa /bin/sh | |
70 | is used. | |
71 | .El | |
72 | .Sh SEE ALSO | |
73 | .Xr chdir 2 , | |
74 | .Xr chroot 2 , | |
75 | .Xr environ 7 | |
76 | .Sh HISTORY | |
77 | The | |
78 | .Nm | |
79 | command | |
80 | .Ud |