Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: Samsung SSD 860 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 1048576 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 2048 1230847 1228800 600M EFI System /dev/sda2 1230848 17467391 16236544 7.7G Linux swap /dev/sda3 17467392 80381951 62914560 30G Linux filesystem /dev/sda4 80381952 976773119 896391168 427.4G Linux filesystem