Complete OS handwritten notes with simple explanations
Deadlock conditions, prevention, avoidance & detection.
Paging, segmentation, swapping & allocation.
Logical vs physical memory concepts.
Internal & external fragmentation explained.
Demand paging & page replacement.
FIFO, LRU, Optimal & other page replacement techniques.
File concepts, directory structure, access methods, and file system management.
Single-level, two-level, tree-structured and graph-structured directories with examples.
Contiguous, linked, and indexed file allocation techniques explained with diagrams and examples.
Disk management techniques and scheduling algorithms like FCFS, SSTF, SCAN, C-SCAN, LOOK explained clearly.