Mac OS X in a Nutshell

Name

pdisk

Synopsis

pdisk

pdisk device { -diskSize | -isDiskPartitioned | -dump | 
-blockSize | -initialize }
pdisk device { -partitionEntry | -partitionName | 
-partitionType | -partitionBase | -partitionSize | 
-deletePartition } part_num
pdisk device { -setWritable | -setAutoMount } part_num 
{ 0 | 1 }
pdisk device -makeBootable part_num 
                     boot_addr 
                     boot_bytes load_ addr goto_addr
pdisk device -createPartition part_name part_type part_base  part_size
pdisk device -splitPartition part_num part1_size part2_name  part2_type
pdisk device -getPartitionOfType part_type instance_num
pdisk device -getPartitionWithName part_name instance_num
                  

Provides control over Apple partition maps on disk devices in Macintosh systems.

Options

-blockSize

Prints the block size of the specified device, in bytes, to standard output.

-createPartition

Adds a partition to the partition map with the specified name, type (such as Apple_HFS or Apple_UFS), base (i.e., starting block number), and size (in blocks).

-deletePartition

Deletes the specified partition from the partition map.

-diskSize

Prints the size of the specified device, in megabytes, to standard output.

-dump

Prints the partition map on the specified device to standard output.

-getPartitionOfType

Prints the number of a partition with the specified type to standard output. An instance_num of 0 refers the lowest-numbered partition of the specified type, 1 refers to the second partition of that type, etc.

-getPartitionWithName

Prints the number of a partition ...