switch_root
Use a different filesystem as the root of the mount tree.
Note: switch_root will fail to function if the new root is not the root of a mount. Use bind-mounting as a workaround.
See also: chroot, mount.
More information: https://manned.org/switch_root.8.
- Move
/proc,/dev,/sysand/runto the specified filesystem, use this filesystem as the new root and start the specified init process:
switch_root new_root /sbin/init
- Display help:
switch_root -h