hdd resizing?

[zfmt]

i know on win you have to format before you can resize a partition. i wanst sure if (because mac is far better than pc) i could resize a partition without formating. can i? wan you either tell me, or direct me to a guide.

thanks

[chromos]

I've used iPartition (http://www.coriolis-systems.com/iPartition.php) from Coriolis Systems to good effect. ymmv...