[help] second number from ds link

[[RCZ]ShadowKing]

a ds link look like this:

Partition:\Path\dataserver1.exe 55960 0

First number 55960 represent the port of dataserver but what represent the second number(0)?
I was thinking it represent the number of dataserver but i`m not sure...

[MentaL]

[Ragnaros]

That parameter is for the window position (as you noticed when you boot 2 data servers one is on the left and the second on the right)