How to Format an OS X Terminal Hard Disk. Mac OS X Mountain Lion gives users several ways to access the Terminal and three common options for formatting a hard drive.

Step by step tutorial on how to format a Hard Drive or Disk. Use built-in tools such as Diskpart, CMD, Disk Management, etc, to format.

How to Format a Disk to HFS Without a Mac. Hierarchical File System Plus, also known as Mac OS Extended, is the primary file system format used in Mac computers.