19
votes
1answer
15k views

What's the difference between ddrescue, gddrescue, and dd_rescue?

The dd command is commonly used to make image backups of a drive or partition. However, it performs poorly if the source drive is unreliable or failing. I read that ddrescue/dd_rescue is a good tool ...
3
votes
2answers
576 views

How do I do a raw write to a cd with dd?

How do I do a raw write to my CD drive /dev/scd0? I want to write a bootloader (that takes two sectors) directly onto a CD, is this possible?