Disk /dev/sda: 232.89 GiB, 250059350016 bytes, 488397168 sectors Disk model: Samsung SSD 840 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: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 4096 589823 585728 286M EFI System /dev/sda2 591872 17389567 16797696 8G Linux filesystem /dev/sda3 17390625 488397134 471006510 224.6G Linux filesystem