ubase/switch_root.8

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.TH SWITCH_ROOT 8 ubase-VERSION
.SH NAME
\fBswitch_root\fR - Switch to another filesystem as the root of the mount tree
.SH SYNOPSIS
\fBswitch_root\fR [\fB-c \fIconsole\fR] \fInewroot init
.SH DESCRIPTION
\fBswitch_root\fR removes all files and directories on the current root filesystem and overmounts it with \fInewroot\fR.
If a \fIconsole\fR is specified, redirect stdio and stderr to it.
After the switch, execute \fIinit\fR.
.TP
\fBswitch_root\fR can only be run as PID 1 in an initramfs or tmpfs with a regular and executable /init.
.SH OPTIONS
.TP
\fB-c\fR
Redirect stdio and stderr to \fIconsole\fR after switching to \fInewroot\fR.