How to Format Flashdisk on Ubuntu via terminal

Actually, this is just for my notes, but maybe it’s useful for someone else. here’s how to format a flash drive in Ubuntu via the terminal.

1. Open a terminal and log in as  sudo user

2. after that type   $sudo fdisk -l  to see where the flash drive is on which boot device,
whether in /dev/sdb1 or /dev/sdc1 or in /dev/sdd1 or something else.

3. Before formatting, you must first unmount it with the following command

$sudo umount “locate flsdisk”

example: $sudo umount /dev/sdb1

4. lastly type the command format

$sudo mkfs.vfat /dev/sdb1

Congratulations, your flash drive has been formatted.

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