$ sudo gdisk /dev/sda
GPT fdisk (gdisk) version 1.0.1
Partition table scan:
MBR: hybrid
BSD: not present
APM: not present
GPT: present
Found valid GPT with hybrid MBR; using GPT.
Number Start (sector) End (sector) Size Code Name
1 2048 2050047 1000.0 MiB EF02
2 2097152 10485759 4.0 GiB 8300
3 10485760 52428799 20.0 GiB 8300 Linux filesystem
4 52428800 312581774 124.0 GiB 8300 Linux filesystem
Recovery/transformation command (? for help): o
Disk size is 312581808 sectors (149.0 GiB)
MBR disk identifier: 0x00000000
MBR partitions:
Number Boot Start Sector End Sector Status Code
1 1 2047 primary 0xEE
2 * 2048 2050047 primary 0xEF
3 2097152 10485759 primary 0x83
4 10485760 52428799 primary 0x83