Disk /dev/sda: 238.47 GiB, 256060514304 bytes, 500118192 sectors Disk model: Netac SSD 256GB 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 4550655 3500032 1.7G Linux filesystem /dev/sda3 4550656 500117503 495566848 236.3G Linux filesystem