Operating Systems Syllabus Introductory Concepts Process Data Structures And State Transactions Process Control Multi Threading References https://www.javatpoint.com/history-of-operating-system https://www.geeksforgeeks.org/process-table-and-process-control-block-pcb/ https://www.tutorialspoint.com/operating_system/index.htm https://www.tutorialspoint.com/unix_system_calls