Where /dev/sdx will need to be changed to the actual device name that you are copying. In its simplest for the command for copying the disk to the file rescue.dd in the current directory is: sudo dd if=/dev/sdx of=rescue.dd Which will display the drives attached to the system and their size in MiB. Both of these can be found by issuing the command sudo fdisk -l Two things you will need to know before proceeding are the device name of the drive you are copying and its real size. The point of making a bit copy at this point is to enable recovery without putting the data at further risk. ![]() Anything you do to the drive has the potential to overwrite deleted data or to cause further damage to the file system. The drive that you are copying does not need to be mounted, and if you are recovering data from a damaged drive it is a good idea if it is not mount in read/write mode. You can use pipe viewer (pv) in conjunction with dd to show a progress bar and the ETA to completion. ![]() The simplest method is to use dd but the common complaint is that dd gives no progress bar when copying a large disk.
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