$ curl cheat.sh/
# chroot
# Run command or interactive shell with special root directory.
# More information: <https://www.gnu.org/software/coreutils/chroot>.

# Run command as new root directory:
chroot path/to/new/root command

# Specify user and group (ID or name) to use:
chroot --userspec=user:group

$
Follow @igor_chubin cheat.sh tldr