Operating Systems

OS concepts that come up in systems programming and distributed systems interviews.

Topic	Key Focus
Processes & Threads	PCB, Context switching, User vs Kernel threads
Scheduling	FCFS, Round Robin, Priority, Multilevel queue
Deadlocks	Conditions, Prevention, Detection, Recovery
Virtual Memory	Paging, Page tables, TLB, Page replacement
File Systems	Inodes, Journaling, ext4, NTFS