1*4aed304eSbostic.\" Copyright (c) 1988, 1991, 1993 2*4aed304eSbostic.\" The Regents of the University of California. All rights reserved. 3bd3cebb8Sbostic.\" 4e68d402aStrent.\" %sccs.include.redist.man% 5bd3cebb8Sbostic.\" 6*4aed304eSbostic.\" @(#)chroot.8 8.1 (Berkeley) 06/09/93 7bd3cebb8Sbostic.\" 813251ec2Scael.Dd 913251ec2Scael.Dt CHROOT 8 1013251ec2Scael.Os BSD 4.3 1113251ec2Scael.Sh NAME 1213251ec2Scael.Nm chroot 1313251ec2Scael.Nd change root directory 1413251ec2Scael.Sh SYNOPSIS 1513251ec2Scael.Nm chroot 1613251ec2Scael.Ar newroot 1713251ec2Scael.Op Ar command 1813251ec2Scael.Sh DESCRIPTION 19bd3cebb8SbosticThe 2013251ec2Scael.Nm chroot 21bd3cebb8Sbosticcommand changes its root directory to the supplied directory 2213251ec2Scael.Ar newroot 23bd3cebb8Sbosticand exec's 2413251ec2Scael.Ar command , 2513251ec2Scaelif supplied, or an interactive copy of your shell. 2613251ec2Scael.Pp 27bd3cebb8SbosticNote, 2813251ec2Scael.Ar command 29bd3cebb8Sbosticor the shell are run as your real-user-id. 3013251ec2Scael.Sh ENVIRONMENT 3113251ec2ScaelThe following environment variable is referenced by 3213251ec2Scael.Nm chroot : 3313251ec2Scael.Bl -tag -width SHELL 3413251ec2Scael.It Ev SHELL 3513251ec2ScaelIf set, 3613251ec2Scaelthe string specified by 3713251ec2Scael.Ev SHELL 3813251ec2Scaelis interpreted as the name of 3913251ec2Scaelthe shell to exec. 4013251ec2ScaelIf the variable 4113251ec2Scael.Ev SHELL 4213251ec2Scaelis not set, 4313251ec2Scael.Pa /bin/sh 4413251ec2Scaelis used. 4513251ec2Scael.El 4613251ec2Scael.Sh SEE ALSO 4713251ec2Scael.Xr chdir 2 , 4813251ec2Scael.Xr chroot 2 , 4913251ec2Scael.Xr environ 7 5013251ec2Scael.Sh HISTORY 5113251ec2ScaelThe 52f1f57aedSbostic.Nm chroot 53f1f57aedSbosticutility first appeared in 4.4BSD. 54