systemctl-switch-root
Switch to a new root filesystem and execute a new system manager. tldr-pages
On Linux
Linux
Switch to a new root filesystem and execute its default init system
systemctl switch-root path/to/new_rootIdentifySwitch to a new root filesystem and run a specific init binary
systemctl switch-root path/to/new_root /sbin/initIdentifySwitch to a new root filesystem with verbose output
systemctl switch-root path/to/new_root --verboseIdentify