i got 2 partition on my iMac.. i did it because.. the iMac doesnt support up to 250GB hardisk.. if not mistaken only support up to 160gb.. so..if i dont partition it, it wont shown up as 250gb but only up to 160gb.. so.. i got to partition it using other pc ( the 250gb hd as a slave) into 2 partition.. so one partition is about 120gb each la...