runlock(1) on Linux
The text 724346cce1a0, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
prevent concurrent execution of a process
The text 724346cce1a0, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
prevent concurrent execution of a process