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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXIT STATUS | NOTES | AUTHORS | SEE ALSO | AVAILABILITY | COLOPHON |
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SWITCH_ROOT(8) System Administration SWITCH_ROOT(8)
switch_root - switch to another filesystem as the root of the mount
tree
switch_root [-hV]
switch_root newroot init [arg...]
switch_root moves already mounted /proc, /dev, /sys and /run to
newroot and makes newroot the new root filesystem and starts init
process.
WARNING: switch_root removes recursively all files and directories on
the current root filesystem.
-h, --help
Display help text and exit.
-V, --version
Display version information and exit.
switch_root returns 0 on success and 1 on failure.
switch_root will fail to function if newroot is not the root of a
mount. If you want to switch root into a directory that does not meet
this requirement then you can first use a bind-mounting trick to turn
any directory into a mount point:
mount --bind $DIR $DIR
Peter Jones <pjones@redhat.com>
Jeremy Katz <katzj@redhat.com>
Karel Zak <kzak@redhat.com>
chroot(2), init(8), mkinitrd(8), mount(8)
The switch_root command is part of the util-linux package and is
available from https://www.kernel.org/pub/linux/utils/util-linux/.
This page is part of the util-linux (a random collection of Linux
utilities) project. Information about the project can be found at
⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have a
bug report for this manual page, send it to
util-linux@vger.kernel.org. This page was obtained from the
project's upstream Git repository
⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
2020-08-13. (At that time, the date of the most recent commit that
was found in the repository was 2020-08-12.) If you discover any
rendering problems in this HTML version of the page, or you believe
there is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
util-linux June 2009 SWITCH_ROOT(8)
Pages that refer to this page: chroot(2), pivot_root(2), namespaces(7), pid_namespaces(7), pivot_root(8)
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