API and internals visual reference
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human
interfaces
system multitasking memory storage networking
User space
interfaces
text interfaces interfaces core

Syscalls

processes memory access files & directories
access
sockets access
virtual security containerization threads virtual memory Virtual
File System
address families:
inet, unix
bridges debugging Driver Model synchronization
memory
mapping
page cache
swap
network storage
zero-copy splice
logical multimedia
subsystems
modules Scheduler logical memory logical
file systems
protocols
devices
control
HID

input

buses, PCI interrupts core Page Allocator block devices network interfaces
hardware
interfaces
HI drivers hardware
interfaces

[re]booting

CPU specific pages storage
drivers
network
drivers
electronics
user
peripherals
  I/O  
ACPI
CPU
regs APIC
memory
RAM DMA MMU
storage
SATA NVMe
NICs
Ethernet Wi-Fi


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