fdisk /dev/sda

Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x4f090ca0

Device     Boot  Start       End   Sectors   Size Id Type
/dev/sda1         2048    264191    262144   128M 83 Linux
/dev/sda2       264192 268435455 268171264 127.9G 83 Linux