However, there's an asymmetry here. Although a PPC machine cannot boot up from a GUID-partitioned disk, an Intel machine can boot up from an Apple partition scheme disk.

Tagging along with EFI is a new partition scheme: GUID Partition Table (GPT); GUID itself is an acronym, expanding to Globally Unique Identifier. GUIDs are locally generated, world-unique random ...

Sometimes installing OS X may result in odd behavior if the partition scheme on the drive is not set up properly. If you are experiencing problems, a simple repartition during setup may be an easy ...

0: GUID_partition_scheme *1.0 TB disk1 1: EFI 209.7 MB disk1s1 2: Apple_CoreStorage 999.3 GB disk1s2 3: Apple_Boot Recovery HD 650.0 MB disk1s3 /dev/disk2 #: TYPE NAME SIZE IDENTIFIER ...

Click OK to dismiss the sheet. Click Apply and the drive will be reformatted with the GUID partition scheme. Note: When you reformat that drive, you erase everything on it.

(Ignore any partitions labeled GUID_partition_scheme or EFI.) Now you need to find out what size your new partition can be. Run this command: diskutil resizeVolume disk_identifier limits ...

So I've just been messing around with my new macbook pro and decided to partition the drive for a fresh install. I figure I can eek out a little more performance by installing the OS on the ...

In this output, there are two nodes—DeviceNodes: 0, of type FDisk_partition_scheme, and 1, of type DOS_FAT_32. Since we have used MBR fat32 as a parameter, so we will have MBR instead of GUID.