The hdparm command comes from the abbreviation of the English phrase "hard disk parameters", and its function is to display and set hard disk parameters. For the first time to take over a hard disk device, it is very helpful to understand the relevant performance attributes.
Syntax format: hdparm [parameter] device name
Common parameters:
Reference example
Display information about the specified hard disk:
Display only cylinder, head, and sector information for the specified hard disk:
Evaluate the read efficiency of the specified hard disk: