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|userspace| interfaces

Programming

System calls

files and directories

memory

access

Sockets

Processes

1__1_

7_

virtu.il

Isubsystemsl

hardware

interfaces

proc, sysfs file Systems	protocol 1 families		Virtual fle system
			y il
Device Model		NFS	U cfcTe
system run. modules. aeneric hw access	protocols: TCP. UDP.IP		logical filesystems ext2, ext3
		1 1/
bus drivers	network devices and drivers		Błock devices and drivers

Virtual

memory

memory

mapping

logical

memory

interrupts

core

Scheduler

input

subsystem

HI

peripherals

drivers

electronics

MMU, RAM

display keyboard mouse. audio