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ifh-hn | 3 days ago

Haha, I'm even more confused now. I have no idea what dup is...

discuss

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jpollock|3 days ago

There are a couple of ways to figure out.

open a terminal (OSX/Linux) and type:

    man dup
open a browser window and search for:

    man dup
Both will bring up the man page for the function call.

To get recursive, you can try:

    man man unix
(the unix is important, otherwise it gives you manly men)

trashb|2 days ago

you may also consider gnu info

  info dup