fallocate(1) on Linux
The text 6439a21ceb3c, as Debian 8 (Jessie) shipped it.
preallocate or deallocate space to a file
Flags it lists
-
--collapse-range -
--dig-holes -
--help -
--keep-size -
--length -
--offset -
--punch-hole -
--verbose -
--version -
--zero-range -
-V -
-c -
-d -
-h -
-l -
-n -
-o -
-p -
-v -
-z