GNU/Linux man pages
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GNU/Linux |
Debian 6.0.7(Squeeze) |
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switch_root(8) |
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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 and /sys 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
show help and exit
−V, −−version
show version number 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
mount(8) chroot(2) init(8) mkinitrd(8)
Peter Jones
<pjones@redhat.com>
Jeremy Katz <katzj@redhat.com>
Karel Zak <kzak@redhat.com>
The switch_root command is part of the util-linux-ng package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.
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switch_root(8) | |