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]

chroot [OPTION] NEWROOT [COMMAND [ARG]...]
chroot OPTION

Run COMMAND with root directory set to NEWROOT.

--groups=G_LIST

specify supplementary groups as g1,g2,..,gN

--userspec=USER:GROUP

specify user and group (ID or name) to use

--skip-chdir

do not change working directory to '/'

--help

display this help and exit

--version

output version information and exit

If no command is given, run '"$SHELL" -i' (default: '/bin/sh -i').

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
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Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

chroot(2) Full documentation <https://www.gnu.org/software/coreutils/chroot> or available locally via: info '(coreutils) chroot invocation'

Written by Roland McGrath.