trold:~ jens$ sudo fdisk /dev/rdisk0
Disk: /dev/rdisk0       geometry: 30401/255/63 [488397168 sectors]
Signature: 0xAA55
         Starting       Ending
 #: id  cyl  hd sec -  cyl  hd sec [     start -       size]
------------------------------------------------------------------------
 1: EE 1023 254  63 - 1023 254  63 [         1 -     409639] <Unknown ID>
*2: AF 1023 254  63 - 1023 254  63 [    409640 -  444596224] HFS+        
 3: 83 1023 254  63 - 1023 254  63 [ 449268228 -   39128907] Linux files*
 4: 0B 1023 254  63 - 1023 254  63 [ 445005864 -    4251861] Win95 FAT-32