Disk /dev/sda: 233.76 GiB, 251000193024 bytes, 490234752 sectors Disk model: APPLE SSD SM0256 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 4096 618495 614400 300M EFI System /dev/sda2 618496 490223474 489604979 233.5G Linux filesystem