varnishd(1) on Linux
The text 4aad4f70c91c, as Debian 5.0 (Lenny) shipped it.
HTTP accelerator daemon
Flags it lists
-
-F -
-P -
-T -
-V -
-a -
-b -
-d -
-f -
-g -
-h -
-n -
-p -
-s -
-t -
-u -
-w