lolcat(6) on Linux
The text 8f9fd0809aa6, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
rainbow coloring for text
Flags it lists
-
--animate -
--duration -
--force -
--freq -
--help -
--seed -
--speed -
--spread -
--version -
-F -
-S -
-a -
-d -
-f -
-h -
-p -
-s -
-v