gen-index(8) on Linux
The text df6d790162b1, as Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.
build an index to current GNATS database
Flags it lists
-
--directory -
--help -
--numeric -
--outfile -
--version -
-V -
-d -
-h -
-n -
-o