This is a quick assessment book / quiz book. It has a vast collection of a wide variety of questions on Operating Systems. The book covers questions on the operating systems structures, fundamentals of processes and threads, CPU scheduling, process synchronization, deadlocks, memory management, I/O subsystem, and mass storage (disk) structures. Unique features of this book: Over 1,600 short questions, with answers Questions are of only two types - True/False and sentence completion Questions have a wide range of difficulty levels Questions are designed to test a thorough understanding of the topical material Questions cover popular ones asked in internship / job interviews The book can be of use to: Students currently taking Operating Systems course for self-assessment and improving performance Students preparing to take written exams and/or interviews for industry / companies Interviewers / Managers / Technical leads to make a quick assessment of the candidates Faculty to quickly select questions for a quiz Participants and quiz masters in quiz competitions