Disk /dev/sda: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors Disk model: WDC WDS100T2B0B- 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 2048 1050623 1048576 512M EFI System /dev/sda2 1050624 252708863 251658240 120G Linux filesystem /dev/sda3 252708864 261097471 8388608 4G Linux swap /dev/sda4 261097472 1953525134 1692427663 807G Linux filesystem