mkfs.nilfs2(8) on Linux
The text d8dea2b1316c, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
create a NILFS2 filesystem
Flags it lists
-
-K -
-O -
-V -
-c -
-f -
-h -
-n -
-q -
-v