Pertaining to page replacement, which is an important component of virtual memory. At a minimum, the answer must include the following:

• Page faulting
• The significance of I/O buffers
• The basic approach to page replacement
• The working-set model
• How shared memory relates to memory-mapped files
• Kernel memory management
• Page replacement algorithms
  • Optimal
  • FIFO
  • Least recently used (LRU)