elvis(1) on Linux
The text a4f2cdd3aeeb, as Debian 3.0 (Woody), Debian 2.2 (Potato) shipped it.
a clone of the ex/vi text editor
Flags it lists
-
-G -
-R -
-S -
-V -
-a -
-b -
-e -
-f -
-i -
-o -
-r -
-s -
-t -
-w