From LinuxIntro

A disk is a device to store data, e.g. a compact disk or a hard disk. See http://en.wikipedia.org/wiki/Disk. Disk related commands:

hwinfo --block
hwinfo --partition

Contents 1 Get information 2 Find out throughput 3 Hibernate hard disk 4 Standby

Get information

hdparm -I /dev/hda

Find out throughput

hdparm -tT /dev/hda

Hibernate hard disk

hdparm -S60 /dev/hda

Standby

hdparm -y /dev/hda