dateutils.dsort(1) on Linux
The text b61c2506dd47, as Debian 8 (Jessie) shipped it.
Sort contents of FILE chronologically.
Flags it lists
-
--backslash-escapes -
--default -
--from-zone -
--help -
--input-format -
--reverse -
--unique -
--version -
-V -
-e -
-h -
-i -
-r -
-u