The fdisk utility is available on Windows (MS-DOS) and Linux. It allows you to create partitions on your hard drive, but it should be noted that the Linux version is more complex than its MS-DOS counterpart.
How you use the fdisk tool?
Use the fdisk command to launch the tool.
When no argument is specified fdisk will make use the first partition it finds. To make use of a specific partition, simply pass the name of the latter as an argument. In this example, the second partition is used:
How hard drives are named under Linux?
For IDE drives, the partitions are named as hda, hdb,..
For SCSI disks, the partitions are named as sda, sdb,..