mkcp(8) on Linux
The text 1b2111bacd72, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
make a NILFS2 checkpoint
Flags it lists
-
--help -
--print -
--snapshot -
--version -
-V -
-h -
-p -
-s