ischroot(1) on Linux
The text 6169656e9282, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
detect if running in a chroot
Flags it lists
-
--default-false -
--default-true -
--help -
--version -
-f -
-t