uniq(1) on Linux
The text 8a8b6c07e73b, as Debian 1.1 (Buzz) shipped it.
remove duplicate lines from a sorted file
Flags it lists
-
--check-chars -
--count -
--help -
--repeated -
--skip-fields -
--unique -
--version -
-c -
-d -
-f -
-number -
-u -
-w