where does itunes save back up iphone files on macs?

[ipwn3gs]

so i am so bored of non jb so i am going to use a friends mac. where does the back up go so i can back it up and and delete files after jb.

thank u.

[acosmichippo]

OSX: Users/UserName/Library/Application Support/MobileSync/Backup
XP: C:\Documents and Settings\UserName\Application Data\Apple Computer\MobileSync\Backup
Vista/Win7: C:\Users\UserName\AppData\Roaming\AppleComputer\Mo bileSync\Backup