i3lock-fancy(1) on Linux
The text 5e9f0fac1149, as Debian 10 (Buster) shipped it.
Bash script around i3lock for fancy effect
Flags it lists
-
-- -
--desktop -
--font -
--greyscale -
--help -
--listfonts -
--nofork -
--pixelate -
--text -
-d -
-f -
-g -
-h -
-l -
-n -
-p -
-t