Operating Systems Book

Notes

• Monolithic vs microkernels, with examples
• Bootstrapping process
• Processes
• Context switching
• Threads and multithreading
• User and kernel threads
• Thread pools and their benefits
• Signals: default and user-defined handlers
• Scheduling: co-operative (Windows 3.x) or pre-emptive
• Dispatcher and dispatch latency
• Scheduling algorithms
• Processor affinity
• Starvation and aging in relation to process scheduling
• Syncronisation and race conditions
• Critical sections
• Locking and deadlocks
• Mutex locks and spinlocks
• Semaphores
• Dining philosophers problem
• Memory management
• Registers
• Logical and physical addresses
• Memory management unit
• Swapping
• Memory protection
• Memory fragmentation - internal and external
• Paging, page tables
• Page Address Extensions
• Virtual memory
• Demand paging and lazy swapping
• Page faults
• Dirty bits
• Page replacement algorithms
• What is an operating system?
• (Brief) history of operating systems
• Page sizes - reasons for small vs large + compromise
• Filesystems
• File blocks and internal fragmentation