fontmatrix(1) on Linux
The text 16652129ea68, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
a powerful open source font manager
Flags it lists
-
--file -
--help -
--lang -
--langs-available -
--no-splash -
--version -
-f -
-h -
-l -
-la -
-ns -
-v