ITOH Yasufumi <itohy@netbsd.org> typed:
:cgd@sibyte.com writes:
:> 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.  :)

Yes, but "ps -Uroot" is not a documented form anyway so it can do whatever
it wants.  "ps -U root" and "ps U root" both work.