The GUID Partition Table (GPT) replaces the previous master boot record (MBR). GPT partitions can hold 18 exabytes compared to 2.2TB for the MBR.

The GPT partition type, part of the Unified Extensible Firmware Interface (UEFI) initiative, is a modern disk partitioning method. Unlike the older MBR scheme, GPT offers greater flexibility and ...

Note that this command works only on Intel Macs with hard disks formatted using the GPT (GUID Partition Table) format with a journaled Hierarchical File System Plus (HFS+) file system.

Windows operating systems can have up to 128 partitions on a GPT drive without the need to build an extended partition. Another way GPT outperforms MBR is how easy it is to recover from corruption.

With the Professional edition, users are even able to convert a basic MBR (Master Boot Record) partition table to a GUID partition table (GPT; required for UEFI configurations), while dynamic ...