Overview of AIX page replacement Go through detailed information on how the AIX(R) virtual memory manager (AIX VMM) works and how to use tunable parameters to adjust the operation of the AIX VMM. The AIX VMM is responsible for managing all of the memory on a system. The operation of the AIX VMM is critical to the performance of a system, and it also provides several tunable parameters that you can use to optimize its operation for different workloads. in Unix Tips > AIXwith aixoverviewpagereplacementtipsturingunixvmm