hdparm: hdparm 9.48 (ATA/IDE control utility)  
hdparm:  
hdparm: The Hdparm package contains an utility that is useful for controlling 
hdparm: ATA/IDE controllers and hard drives both to increase performance and 
hdparm: sometimes to increase stability. As well as being useful, incorrect 
hdparm: usage of Hdparm can destroy your information and in rare cases, 
hdparm: drives. Use with caution and make sure you know what you are doing. If 
hdparm: in doubt, it is recommended that you leave the default kernel 
hdparm: parameters alone.  
hdparm: 
hdparm:

