oggCat(1) on Linux
The text 33f9f9a61db1, as Debian 7 (Wheezy) shipped it.
concatenates two ogg video files (.ogv, .ogg or oga)
Flags it lists
-
-C -
-D -
-F -
-c -
-d -
-f -
-q -
-rv -
-s -
-x