FIFO and NRU, access.list is the cache of access
make the file in master directory using 'make' after make process,'sim' file will be created after make. you can using the file by below command ./sim fifo xxx OR ./sim nru xxx
xxx mark is the frame size you want in this case, access.list file have 50000 access caches, so it is recommended 1 ~ 50000 for frame size