Where bs is read and write BYTES bytes at a time, if is the input file, of is the output file. Sets the block size to 4 megabytes, which can improve the speed of the data transfer.įor example: $ dd bs=4M if=/tmp/ubuntu-20.04.1-desktop-amd64.iso of=/dev/sdc conv=fdatasync The point here is to write the disk name itself (e.g.

Make sure to change with your USB disk letter accordingly. Where /path/to/input.iso is the path where. Syntax: $ dd bs=4M if=/path/to/input.iso of=/dev/sd conv=fdatasync Be cautious using the dd command of overwriting or deleting your data. We are going to use dd command to create a bootable USB flash drive. Or $ curl -O Step 3: Create Bootable Drive from Terminal This will download iso file to the current directory. Or you can download iso file from the command line using wget or curl command. Here we will create a Ubuntu bootable flash drive, first go to ubuntu website and download the iso file to your Linux computer. └─sda1 8:1 0 9G 0 part / Step 2: Download Linux ISO File You must see the output without mount point in front of sdc1: Make sure to change according to your USB drive and check if it has been unmounted again with lsblk command. Next, we must unmount the USB flash drive by the following command: $ umount /dev/sdc1 └─sdc1 8:33 1 1.7G 0 part /media/linoxide/SANDISKįrom the list find your USB drive's mounted partition.

Create bootable usb from iso