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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
       unknown after chroot is run.



Oracle Solaris 11.4               3 Nov 2021                         chroot(8)
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