There ya go:

Model: ATA ST9500420AS (scsi)
Disk /dev/sda: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number Start End Size Type File system Flags
1 32.3kB 41.1MB 41.1MB primary fat16 diag
2 41.1MB 18.9GB 18.9GB primary ntfs boot
3 18.9GB 126GB 107GB primary ext4
4 126GB 500GB 374GB primary ntfs


Warning: Unable to open /dev/sr0 read-write (Read-only file system). /dev/sr0
has been opened read-only.
Error: /dev/sr0: unrecognised disk label