systemd-detect-virt(1) on Linux
The text cb17258f6b7b, as Debian 9 (Stretch) shipped it.
Detect execution in a virtualized environment
Flags it lists
-
--chroot -
--container -
--help -
--private-users -
--quiet -
--version -
--vm -
-c -
-h -
-q -
-r -
-v