su = switch user RTFM, Luke...
The term RTFM has many meanings. It can mean Read The Freaking Manual. The real term is found if you replace Freaking with a much harsher variation of the word.
RTFM - album - was created on 1997-04-22.
It should be, but you should rtfm
car oil rtfm
RTFM is an abbreviation standing for "Read The F**king Manual." It is often used by impolite users in a response to a question from a newbie, when the answer could probably have been found by simply reading the accompanying documentation.
RTFM!
RTFM. Read the owners manual.
Jam your finger in it. Or RTFM.
Jeeze, RTFM http://www.300zx-twinturbo.com/cgi-bin/manual.cgi
The answer will depend on the computer and the software that it runs.
rtfm - manual says 0.030"