Disk /dev/sda: 238.49 GiB, 256060514304 bytes, 500118192 sectors Disk model: TOSHIBA THNSFJ25 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 2099199 2097152 1G EFI System /dev/sda3 2099200 18542591 16443392 7.9G Linux swap /dev/sda4 18542592 500118158 481575567 229.6G Linux filesystem