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dd

Convert and copy a file.

More information.

• Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`) and show the progress:

dd if={file.iso} of=/dev/{usb_drive} status=progress

• Clone a drive to another drive with 4 MiB block, ignore error and show progress:

dd if=/dev/{source_drive} of=/dev/{dest_drive} bs=4M conv=noerror status=progress

• Generate a file of 100 random bytes by using kernel random driver:

dd if=/dev/urandom of={random_file} bs=100 count=1

• Benchmark the write performance of a disk:

dd if=/dev/zero of={file_1GB} bs=1024 count=1000000

• Generate a system backup into an IMG file and show the progress:

dd if=/dev/{drive_device} of={path/to/file.img} status=progress

• Restore a drive from an IMG file and show the progress:

dd if={path/to/file.img} of=/dev/{drive_device} status=progress

• Check progress of an ongoing dd operation (Run this command from another shell):

kill -USR1 $(pgrep ^dd)

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