Virtual I/O (VIO) MVS includes a facility called Virtual I/O (VIO), with which temporary datasets can be stored in simulated tracks on the paging datasets, eliminating the overhead of allocation but adding some processing overhead.
virtual i/o (vio) mvs includes a facility called virtual i/o (vio) with which temporary datasets can be stored in simulated tracks on the paging datasets eliminating the overhead of allocation but adding some processing overhead