/sys

block/
fdO
hda
dev

./. ./devices/psi0000:00/0000:00:1f.1/ide/0.0

device -> .
hdal

-dev

-size

-start

-star

hda2

 hda3

hda4

hda5

hda6

 queue

hdc

hdd

 loopO

 loop1

 loop2

 loop3

 loop4

 loop5

 loop6

 loop?

 mdO

-bus/

- class/

- devices/

- firmware/

- power

Puc. 17.2.    /sys

       , 
  .  bus   -
   .   class    
,       
 .  devices      
.        .
 firmware       -
 ,   ACPI, EDD, EFI  ..   power  
     .

    devices,   
    .    
  .  ,     -
,        devices. ,
  /sys/class/net/      -
    .   
   ethO,     device
    devices.

    /sys   Linux,   
 .        
.       -
   class,     devices

364  17

