напиши fdisk -l
-l не е чертичка а буквата Л на латинеца
linux-ulga:~ # fdisk -l
Disk /dev/sda: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xe695e695
Device Boot Start End Blocks Id System
/dev/sda1 1 262 2104483+ 82 Linux swap / Solaris
/dev/sda2 * 263 2873 20972857+ 83 Linux
/dev/sda3 2874 38913 289491300 83 Linux