74

Is it possible to create and format an exFAT partition from Linux?

0

7 Answers 7

83

Yes, there is a project implementing exfat and the related utilities at relan/exfat.

To format a partition, use mkexfatfs / mkfs.exfat like with most filesystems, e.g.:

mkfs.exfat /dev/sdX1

As for creating the partition in the first place, this is the same as for any other filesystem. Create a partition in your favourite partition manager. If you have an MBR partition table, set the partition type to NTFS (that is, code 7).

Note, that some distributions only package the fuse module, so you may have to build it yourself.

7
  • 24
    On Ubuntu I just had to install a couple packages first: sudo apt-get install exfat-utils exfat-fuse. Source: askubuntu.com/a/374627/18665
    – bmaupin
    Aug 28, 2015 at 18:21
  • 3
    To be clear, the code is 7 (hex), not 7h.
    – thetoolman
    Mar 17, 2016 at 0:27
  • On modern fdisk the type you want is 11 (Microsoft basic data). Disregard the google.code.com link in the answer and instead use @bmaupin's command on Debian/Ubuntu.
    – Adam Katz
    Dec 2, 2017 at 20:07
  • be careful while doing this, it didnot warn me and completely deleted all the files I had in it. So first backup and then do it
    – doniyor
    Mar 30, 2018 at 9:58
  • 2
    This worked fine for me. I already had the exfat and fuse installed. BUT... the post blow from Billious is misleading. IF you have just formatted a drive, you must supply more information to mkfs.exfat -- Like where to put the partition and how big, ya-da-ya-da. I'm just lazy. I used gParted to set-u my USB how I wanted. Leave the partition you want to make exFAT alone. Or format it to FAT32 to process the whole USB. Next ensure the target partition is unmounted. Proceed, e.g.: sudo mkfs.exfat -i DAT -n data /dev/sdc3. I let gParted deal with alignments and such.
    – will
    Oct 8, 2018 at 13:09
9

The mkfs.exfat solution above works if a partition already exists on a drive, like a purchased USB pen drive. Use this link if you're starting from a bare disk:

Formatting a Universal Drive

3
  • I tried following several guides, which all failed in Fedora 29. This one worked. :)
    – Nick Ribal
    Nov 6, 2019 at 4:08
  • This is an incredibly useful analysis. Thank you! May 4, 2021 at 3:36
  • This should be the accepted answer! That link contains a brilliant explanation that I couldn't find anywhere else on the internet. Oct 18, 2021 at 11:29
9

Install exFAT utilities first.

sudo apt install exfat-utils

Then

sudo mkfs.exfat -n Volume Name /dev/USB_dev_file
7

On the command line, the process is as follows:

Use the lsblk command to find out which drive your usb stick is. (for example /dev/sdx)

lsblk

Then start parted and tell it which drive you want to perform operations on:

sudo parted /dev/sdx

In parted interactive mode type:

mklabel msdos

Now reboot. And after the reboot do:

sudo parted /dev/sdx

And in parted interactive mode type:

mkpart primary ext4 0% 100%

When the partition is created, press q to exit parted.

Now that the flash drive contains a partition, create an exFAT filesystem on the newly created partition (replacing the ext4 filesystem that only works on Linux):

sudo mkfs.exfat /dev/sdx1

Copy-pasted from https://forum.manjaro.org/t/how-to-format-a-usb-stick-so-that-it-is-usable-on-manjaro-windows-and-macos/3972

Personally, I skipped the "reboot" step. Instead, I pulled out the USB stick (sdb went away) and after reinserting it came up as sdd. If it wasn't obvious, with sdx1 the "x" could be any letter of the alphabet (usually it's a, b, c, d...) but it depends on your particular setup.

0
4

See guidance below for completely wiping and restoring afresh any USB pen drive from anuy Linux command line/terminal. I often do this when pen drives become corrupted and stop working. In this example, the pen drive is /dev/sdb, but yours may be different,


sudo fdisk -l

This lists the disks/partitions. Remember the correct /dev/sdx name for the device. In this example it is /dev/sdb

You may need to unmount any already mounted partitions - e.g sudo umount /dev/sdb1, etc.

The following wipefs command will remove any existing file systems from the drive. If you do not have wipefs installed, install it using your package manager.

sudo wipefs --all /dev/sdb

At this point, all file systems have been removed, any data on the drive is technically still recoverable. To permanently wipe all data from the drive :-

sudo dd if=/dev/zero of=/dev/sdb bs=1M

This dd command should complete quickly. This writes zeros (the if = input file) to the of (output file), which is the device. The bs (block size) flag sets how many bytes to read/write at a time, the default is 512 bytes, but above it has being set to 1 megabyte (or 1,000,000 bytes).

OR, for a more secure version which writes random data instead of zeros :-

dd if=/dev/urandom of=/dev/sdb

This one can take a while.

The pen drive is completely wiped now. and all data is unrecoverable.

If you want to now create a bootable USB drive now in Linux from an OS ISO file, use the dd command again here, e.g.

dd bs=4M if=ubuntu-12.04.2-server-i386.iso of=/dev/sdb

The pen drive is now bootable, and no further action is needed if this is all you want to do.

Or, to create a blank pen drive for storage purposes, you could put the drive into a Windows machine and format there, which might be easier/quicker, but to partition the pen drive in Linux, continue below as below

sudo fdisk /dev/sdb

This goes into the fdisk program. You need to now input specific commands in the following order.

  1. Option d - this delete partitions (this is not needed if you have used the dd command above on the device). Repeat for each partition if present.

  2. Option n - create a new partition, just accept all the defaults (unless you need multiple partitions of specific sizes, most people won't)

  3. Option w (write changes)

To create a vFAT partition (readable on Windows)

sudo mkfs -t vfat /dev/sdb1

Or, to create exFAT partition, use the following command instead:-

sudo apt-get install exfat-utils exfat-fuse #if not already installed
sudo mkfs.exfat -n volume_name /dev/sdb1

When complete, Linux should auto-mount the device. If not, mount the device as below :-

mkdir /media/usbdrive
mount /dev/sdb1 /media/usbdrive
1

Disks (gnome-disks) and KDE Partition Manager are two GUI tools that can achieve this. (Gparted cannot do it.)

For USB sticks, there is the USB Stick Formatter, part of the mintstick tool .

1
  • Mint Stick helped a lot. as I was using Mint and did not realise its existence.
    – Ramesh
    Jun 6, 2020 at 5:18
0

Currently, the best filesystem to share content between Windows and Linux is exFAT, specially on USB pendrives and SD cards. exFAT is, roughly speaking, a revision of FAT32 without the 4GB max file size limitation. Since kernel version 5.4, exFAT is a native filesystem for Linux and does not rely on FUSE anymore.

If not installed, you will have to install exFAT support.

$ sudo apt install exfatprogs # Debian/Ubuntu
$ sudo dnf install exfatprogs # Red Hat/Fedora/CentOS
$ sudo pacman -S exfatprogs # Arch Linux/Manjaro

Note: On systems with older kernels, use exfat-utils instead of exfatprogs.

From here, you have two options. Use a graphical tool like gparted or the command line (which is more fun). Find below steps for the latter.

  1. Plug-in the USB pendrive/SD card.
  2. Identify the device. It should be one of /dev/sd?. In a terminal, run the below command which will show connected devices and partition mount points. In this example, /dev/sdb is the device, with two partitions, the first of which is mounted.
$ lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sdb           8:16   1    15G  0 disk 
├─sdb1        8:17   1   256M  0 part /media/myuser/mydevice
└─sdb2        8:18   1  14,7G  0 part 
nvme0n1     259:0    0 931,5G  0 disk 
├─nvme0n1p1 259:1    0   512M  0 part /boot/efi
├─nvme0n1p2 259:2    0    64G  0 part /
├─nvme0n1p3 259:3    0   256G  0 part /home
├─nvme0n1p4 259:4    0    38G  0 part [SWAP]
├─nvme0n1p5 259:5    0   448G  0 part /data
├─nvme0n1p6 259:6    0    16M  0 part 
└─nvme0n1p7 259:7    0   125G  0 part 
  1. Unmount mounted partitions.
$ umount /dev/sdb1
  1. Create a new partition table and partition of type HPFS/NTFS/exFAT.
$ sudo fdisk /dev/sdb # Pay attention! No final digit is used.

Welcome to fdisk (util-linux 2.34).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help):
  • Create a new (dos) partition table: press o and enter.
  • Create a new partition: press n, enter and accept default options.
  • Change the partition type to HPFS/NTFS/exFAT: press t, enter, 7, enter.
  • Quit saving changes: press w and enter.
  • You can quit without saving changes: press q and enter.
  1. Format the partition.
$ sudo mkfs.exfat -n "my label" /dev/sdb1 # Pay attention! Final digit is used.
mkexfatfs 1.3.0
Creating... done.
Flushing... done.
File system created successfully.
1

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.