gvpack(1) on Linux
The text eb91f8863805, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
merge and pack disjoint graphs
Flags it lists
-
-? -
-G -
-g -
-m -
-n -
-o -
-u -
-v