cgd@sibyte.com writes:

> however, Net/2 (iirc) and therefore our 'ps' both accepts and
> documents the dash form as acceptable for 'berkeley-ish' args.
> 
> in fact, ps(1) doesn't even document the non-dash form in any obvious
> way.

Additionally, the non-dash form is so kludgey and seems to have some bugs:
"ps -Uroot" works, "ps Uroot" not.  :)

-- 
ITOH, Yasufumi