How To Format Volumes To ExtFS Or NTFS Using Terminal

The final commands should be modified appropriate to your disk and partition. Enter:

diskutil list

Check the number of disk and partition. Then X and Y in diskXsY parameters in commands from further steps must be replaced with appropriate values (for example disk1s1)

Format:

First it is required to unmount volume with

sudo diskutil unmount diskXsY

Then format the partition:

sudo diskutil eraseVolume “<filesystem>” “LABEL” /dev/diskXsY

or format the whole disk:

sudo diskutil eraseDisk “<filesystem>” “LABEL” /dev/diskX

Possible values for <filesystem>:
UFSD_NTFS – Windows NT File System*
UFSD_EXTFS – Linux Extended File System 2**
UFSD_EXTFS3 – Linux Extended File System 3**
UFSD_EXTFS4 – Linux Extended File System 4**

* for NTFS for Mac
** for ExtFS for Mac

“LABEL” – specify volume label.

To change partition table format, please add the following value after “LABEL”:
GPTFormat – GUID Partition Table
MBRFormat – Master Boot Record
APMFormat – Apple Partition Map
OS9Drivers – Apple Partition Map (for Mac OS 9)

To verify the volume:

diskutil verifyVolume /dev/diskXsY

To repair the volume:

diskutil repairVolume /dev/diskXsY

ExtFS for Mac, General, NTFS for Mac OS X
Tags: extf, format, mac, ntfs, terminal

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