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chroot(8)

chroot(8)               System Administration Commands               chroot(8)

NAME
       chroot - change root directory for a command

SYNOPSIS
       /usr/sbin/chroot newroot command

DESCRIPTION
       The  chroot  utility causes command to be executed relative to newroot.
       The meaning of any initial slashes (/) in the path names is changed  to
       newroot for command and any of its child processes. Upon execution, the
       initial working directory is newroot.


       Notice that redirecting the output of command to a file,

         chroot newroot command >x



       will  create  the  file x relative to the original root of command, not
       the new one.


       The new root path name is always relative to the current root. Even  if
       a  chroot  is  currently in effect, the newroot argument is relative to
       the current root of the running process.


       This command requires the {PRIV_PROC_CHROOT} privilege.

RETURN VALUES
       The exit status of chroot is the return value of command.

ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE  TYPEAT‐
       TRIBUTE VALUE _ Availabilitysystem/core-os


SEE ALSO
       cd(1), tar(1), chroot(2), ttyname(3C), attributes(7), privileges(7)

NOTES
       Exercise  extreme caution when referencing device files in the new root
       file system.


       References by routines such as ttyname(3C) to stdin, stdout, and stderr
       will find that the device associated with the file  descriptor  is  un‐
       known after chroot is run.

Oracle Solaris 11.4               3 Nov 2021                         chroot(8)
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