There is a place for the GUI and its cocoon-like protective services, grasshopper. But at times it stands between you and enlightenment like a pit of sticky silly putty on the path to hardware enlightenment.
Take your hard drive, for example. If you ever want to go mano a mano with your IDE drive, especially an older model, you need to shed that GUI like a snake molting its skin and meet me at the CLI, where we can talk about the magic of hdparm.
This handy utility provides a wealth of information about the settings of your IDE drives. Better still, it allows you to tweak them if necessary to improve performance.
It’s possible that using hdparm to tweak your settings ...