approx-gc(8) on Linux
The text 3dcbd51444a8, as Debian 6.0 (Squeeze) shipped it.
garbage-collect the cache of Debian archive files
Flags it lists
-
--config -
--fast -
--keep -
--quiet -
--simulate -
--verbose -
-c -
-f -
-k -
-q -
-s -
-v