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Learn about demand paging and page faults in operating systems through this 16-minute educational video that provides a simplified explanation of these crucial virtual memory concepts. Explore how operating systems manage memory efficiently by loading pages into physical memory only when they are actually needed, rather than loading entire programs at once. Understand the mechanism behind page faults, which occur when a program tries to access a page that is not currently in physical memory, triggering the operating system to load the required page from secondary storage. Discover how demand paging optimizes memory utilization and enables systems to run programs larger than available physical memory. Gain insights into the relationship between virtual memory, physical memory, and secondary storage in modern operating systems, with clear explanations designed to make these complex concepts accessible to learners studying operating system fundamentals.
