What’s in an OS?
Machine Dependent Services
Interrupts, Cache, Physical Memory, TLB, Hardware Devices
Generic I/O
File System
Memory Management
Process Management
Virtual Memory
Networking
Naming
Access Control
Windowing & graphics
Windowing & Gfx
Machine Independent Services
Application Services
SYSTEM CALL API
MD API
Device Drivers
Shells
System Utils
Quake
Sql Server
Logical OS Structure
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