Disk /dev/sda: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors Disk model: APPLE HDD HTS541 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 1048576 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 40 409639 409600 200M EFI System /dev/sda2 409640 1952255591 1951845952 930.7G Apple HFS/HFS+ /dev/sda3 1952255592 1953525127 1269536 619.9M Apple boot Disk /dev/sdb: 111.79 GiB, 120034123776 bytes, 234441648 sectors Disk model: ASM225CM Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 33553920 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sdb1 4096 618495 614400 300M EFI System /dev/sdb2 618496 234436544 233818049 111.5G Linux filesystem Disk /dev/zram0: 7.79 GiB, 8361345024 bytes, 2041344 sectors Units: sectors of 1 * 4096 = 4096 bytes Sector size (logical/physical): 4096 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes