dd - jude-lindale/Wiki GitHub Wiki

dd - copies blocks from input and output can be a file, disk, or partition/volume (bit by bit copy)

• sudo dd if=/dev/sdb1 of=image4.dd bs=#M conv=noerrpr ,sync
• bs=#M(bs = block size #= desired size of block)
• conv=noerror (conv=noerror - if bad sector is found skip and keep copying)
• sync (synchronization)