Table of Contents
Method 1 of 2:
Using the Disks Utility
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Images 1 of How to Format a USB Flash Drive in Ubuntu Click the Dash button and search for "disks." You'll see Disks appear in the Applications results. -
Images 2 of How to Format a USB Flash Drive in Ubuntu Launch Disks from the search results. A list of connected devices will appear in the left frame. -
Images 3 of How to Format a USB Flash Drive in Ubuntu Select your USB drive from the list of devices. Its details will appear in the right frame. -
Images 4 of How to Format a USB Flash Drive in Ubuntu Select at least one volume on the USB drive. Most USB drives will only have one volume, but if yours has multiple volumes you can select one or all of them. -
Images 5 of How to Format a USB Flash Drive in Ubuntu Click the Gear button underneath the Volumes and select "Format." This will open the formatting options. -
Images 6 of How to Format a USB Flash Drive in Ubuntu Select what you want to erase. A Quick format will not erase any data on the drive. A Slow format will erase all of the data and check for errors on the drive. -
Images 7 of How to Format a USB Flash Drive in Ubuntu Select the file system. There are several different file systems that you can choose from.- For maximum compatibility with other devices, select "FAT" (FAT32). This will work on all computers and virtually any other device that works with USB drives.
- If you're just planning on using the drive with Linux, select "ext3." This will allow you to use Linux's advanced file permissions.
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Images 8 of How to Format a USB Flash Drive in Ubuntu Format the drive. Click the Format button and wait for the USB drive to be formatted. This may take a while for larger drives, and erasing all of the data will add to the time it takes.[1]
Method 2 of 2:
Using the Terminal
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Images 9 of How to Format a USB Flash Drive in Ubuntu Open the Terminal. You can open this from the Dash, or by pressing Ctrl+Alt+T. -
Images 10 of How to Format a USB Flash Drive in Ubuntu Type .lsblk and press ↵ Enter. This will display a list of storage devices attached to the computer. -
Images 11 of How to Format a USB Flash Drive in Ubuntu Identify your USB drive. Use the SIZE column to find your USB drive in the list. -
Images 12 of How to Format a USB Flash Drive in Ubuntu Unmount your USB drive's partition. You'll need to unmount the drive before formatting. Type the following command, and replace sdb1 with your USB drive's partition label.- sudo umount /dev/sdb1
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Images 13 of How to Format a USB Flash Drive in Ubuntu Erase all of the data on the drive (optional). You can delete everything on the drive by entering the following command. Replace sdb with your USB drive's label.- sudo dd if=/dev/zero of=/dev/sdb bs=4k && sync
- This will take a while to process and may appear frozen.
- On Ubuntu 16.04 and later: sudo dd if=/dev/zero of=/dev/sdb bs=4k status=progress && sync.
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Images 14 of How to Format a USB Flash Drive in Ubuntu Create a new partition table. The partition table controls the volumes on the drive. Type the following command, replacing sdb with your USB drive's label.- Type sudo fdisk /dev/sdb and press ↵ Enter. Press O to create an empty partition table.
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Images 15 of How to Format a USB Flash Drive in Ubuntu Press .N to create a new partition. Enter the size of the partition that you want to create. Enter the full size of the drive if you are just creating a single partition. -
Images 16 of How to Format a USB Flash Drive in Ubuntu Press .W to write the table and exit. This may take a moment. -
Images 17 of How to Format a USB Flash Drive in Ubuntu Run .lsblk again to view your new partition. It will be listed below your USB drive's label. -
Images 18 of How to Format a USB Flash Drive in Ubuntu Format your new volume. Now that you've created the new volume, you can format it with the file system of your choosing. Enter the following command to format the drive as FAT32, the most compatible file system. Replace sdb1 with your partition's label:- sudo mkfs.vfat /dev/sdb1
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Images 19 of How to Format a USB Flash Drive in Ubuntu Eject your drive when finished. Once the format is complete, you can safely eject your device:[2]- sudo eject /dev/sdb
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