bob@bob-iMac:~$ sudo parted /dev/sda print

Model: ATA ST31000528ASQ (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system     Name                  Flags
 1      20.5kB  210MB   210MB   fat32           EFI System Partition  boot
 2      210MB   100GB   100GB   hfsx            MAC
 3      100GB   300GB   200GB   ext4
 5      300GB   308GB   8000MB  linux-swap(v1)  swap
 6      308GB   1000GB  692GB   ext4            DATA