Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors Disk model: ST3500413AS 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 18431 16384 8M BIOS boot /dev/sda2 18432 83904511 83886080 40G Linux filesystem /dev/sda3 83904512 968861695 884957184 422G Linux filesystem /dev/sda4 968861696 976773134 7911439 3.8G Linux swap