lockf(1) on FreeBSD
The text 450818d4fe94, as FreeBSD 8.4-RELEASE shipped it.
execute a command while holding a file lock
Flags it lists
-
-k -
-s -
-t
The text 450818d4fe94, as FreeBSD 8.4-RELEASE shipped it.
execute a command while holding a file lock
-k
-s
-t