switch_root.8 (632B)
1 .Dd February 2, 2015 2 .Dt SWITCH_ROOT 8 3 .Os ubase 4 .Sh NAME 5 .Nm switch_root 6 .Nd switch to another filesystem as the root of the mount tree 7 .Sh SYNOPSIS 8 .Nm 9 .Op Fl c Ar console 10 .Ar newroot init 11 .Sh DESCRIPTION 12 .Nm 13 removes all files and directories on the current root filesystem and 14 overmounts it with 15 .Ar newroot . 16 If a 17 .Ar console 18 is specified, redirect stdio and stderr to it. After the switch, execute 19 .Ar init . 20 .Pp 21 .Nm 22 can only be run as PID 1 in an initramfs or tmpfs with a regular and 23 executable /sbin/init. 24 .Sh OPTIONS 25 .Bl -tag -width Ds 26 .It Fl c 27 Redirect stdio and stderr to 28 .Ar console 29 after switching to 30 .Ar newroot . 31 .El