lrzip(1) on Linux
The text 81c7ca07c621, as Debian 10 (Buster) shipped it.
a large-file compression program
Flags it lists
-
--encrypt -
-H -
-L -
-N -
-T -
-U -
-V -
-c -
-d -
-e -
-i -
-p -
-q -
-r -
-t -
-v -
-w