unlock utility for linux

[Alan Cox]

> or something like that.  I read something about dd doing powerful things like cleaning up disks or wiping them clean, how can one use a utility like that with a hard drive that was locked.  Someone locked it up and the warranty on the disk is gone, so I could get to keep the disk, but the catch is to reset it/unlock it.

That depends what kind of "locked" it is. If it is password locked you
need the password, see man hdparm