List targets (-t): crouton -t help or crouton -t list List supported Linux releases (-r): crouton -r list List all installed chroot names (-a): sudo edit-chroot -a List all installed chroot names with croutonversion (-al): sudo edit-chroot -al Check the crouton version (must run within a chroot): croutonversion -u -c (run croutonversion -h for more info) Update a chroot: sudo crouton -u -n chrootn