1What type of disk does each of the following represents de

1:What type of disk does each of the following represents ?

/dev/hd

/dev/sd

/dev/ed

/dev/xd

Solution

In Linux/unix operating sytem, memory is organised in different ways.

/dev/hd for IDE disks
The storage devices on the computer system along with
mohterboard for storage.

/dev/sd for SCSI disks
SCSI(Small Computer System Interface) is a set of parallel interface
standard for attaching printers disk drives, scanners etc and
other pheripheral devices to the computers.

/dev/ed for ESDI disks
ESDI disk operates on 16 bit AT BUS .
This doubles the transfer speed between hard disk
and controller/bus.It supports the feature of disk
with sector that identifies number of the tracks and cylinders.

/dev/xd for XT disks