sort(1) on Linux
The text 959918231e4d, as Debian 2.2 (Potato) shipped it.
sort lines of text files
Flags it lists
-
--help -
--version -
-M -
-T -
-b -
-c -
-d -
-f -
-g -
-i -
-k -
-m -
-n -
-o -
-r -
-s -
-t -
-u -
-z