Idea of Some Typical Linux Devices …!!


Describes Some Typical Linux Devices

Typical Linux Devices

Hello everybody,

Today we are describe some important linux device information.

Linux receives data from, sends data to, and stores data on devices. A device usually corresponds to a hardware unit, such as a keyboard or serial port. However, a device may have no hardware counterpart: the kernel creates several pseudo devices that you can access as devices but that have no physical existence. Moreover, a single hardware unit may correspond to several devices- for example; Linux defines each partition of a disk drive as a distinct device. Describes some typical Linux devices; not every system provides all these devices and some systems provide devices not shown in the table.

Typical Linux Devices




Bus mouse


Sound card


CD-ROM drive


Current virtual console

Fd n                                               

Floppy drive ( n designates the drive; f do is the first floppy drive)

Ft ape

Streaming tape drive not supporting rewind    

Hd  xn                                 

Non-SCSI hard drive (x designates the n designates the partition ; for example had 1 is the first partition of the first non-SCSI Hard drive)

I n p o r t b m                              

Bus mouse

1p n                                            

parallel port( n designates the device number ; for example, lp0  is the first parallel port)







N f tape                                       

Streaming tape  drive supporting rewind

Nrft n                                           

Streaming tape drive supporting rewind( n designates the

Device number ; for example n r f to is the first streaming Tape drive)


N s t  n                                           

Streaming SCSI  tape drive not supporting rewind ( n designates the device number ; for example , n s t o  is The first streaming SCSI tape drive)


Pseudo device that accepts unlimited output




Auxiliary pointing device, such as a trackball , or the knob On IBM’s Thinkpad


r f t n                                              

Streaming tape drive not supporting rewind (n designates the device   number ; for example, r f t o is the first streaming tape drive)

s c d n                                      

SCSI device (n designates the  device number; for example, s c d o is the SCSI device)

sd   xn                                           

SCSI  hard drive ( x designates the drive and  n designates the partition: for example , sda1 is the first partition of the firs SCSI hard drive )

s r n                                                

SCSI  CD- ROM ( n designates the drive; for example, s r o is the first SCSI CD-ROM)


s t n                                              

streaming SCSI tape drive supporting rewind ( n designates the device number ; for example, s t o is the first streaming SCSI tape drive )

t ty n                                                

Virtual console (n designates the particular virtual console ; for example, t t y o is the first  virtual console)

tt yS n                                          

Modem (n designates the port ; for example , t t y So is an incoming modem connection on the first serial port)


Pseudo device that supplies an inexhaustible stream of zero- bytes                                             

                                                                                                          ————- Thanks Everyone



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