What operating system do; Computer System organization; Computer System architecture; Operating System structure;Operating System operations; Process management; Memory management; Storage management; Protection and security; Distributed system; Special purpose systems; Computing environments. Operating System Services; User - Operating System interface; System calls;Types of system calls; System programs; Operating System design and implementation;Operating System structure; Virtual machines; Operating System generation; System boot.
Process concept; Process scheduling; Operations on processes; Inter-process communication. Multi-Threaded Programming: Overview; Multithreading models; Thread Libraries; Threading issues. Process Scheduling: Basic concepts; Scheduling criteria; Scheduling algorithms; Multiple-Processor scheduling; Thread scheduling.
Synchronization: The Critical section problem; Peterson’s solution; Synchronization hardware; Semaphores; Classical problems of synchronization;Monitors.
Deadlocks: System model; Deadlock characterization; Methods for handlingdeadlocks; Deadlock prevention; Deadlock avoidance; Deadlock detection and recovery from deadlock.
Memory Management Strategies: Background; Swapping;Contiguous memory allocation; Paging; Structure of page table; Segmentation. Virtual Memory Management: Background; Demand paging; Copy-on-write; Page replacement; Allocation of frames; Thrashing.
File System: File concept; Access methods; Directory structure; File system mounting; File sharing; Protection. Implementing File System: File system structure; File system implementation; Directory implementation; Allocation methods; Free space management.
Mass storage structures; Disk structure; Disk attachment; Disk scheduling; Disk management; Swap space management.Protection: Goals of protection, Principles of protection, Domain of protection, Access matrix,Implementation of access matrix, Access control, Revocation of access rights, Capability-Based systems.
Linux history; Design principles; Kernel modules; Process management; Scheduling; Memory management; File systems, Input and output; Inter-process communication.