  What is VIOC? 
 The Question is:
 
What is the Virtual I/O Cache (Kbytes):
              Cache Memory
that shows up when you do a Show Memory.
 
Is it hardware or software related and can it be adjusted?
 
 
 The Answer is:
 
  Please see the OpenVMS Performance Management Manual for this information.
 
  The Virtual I/O Cache is a software cache that can improve I/O Performance.
 
  In the V7.1 edition, the information that you seek is located in section
  12.2, "Use Virtual I/O Caching".
