uniq(1) on FreeBSD
The text 229c044a82c6, as FreeBSD 3.5.1-RELEASE, FreeBSD 3.5-RELEASE, FreeBSD 3.4-RELEASE, FreeBSD 3.3-RELEASE shipped it.
report or filter out repeated lines in a file
Flags it lists
-
-c -
-d -
-f -
-i -
-s -
-u