In order to get true bang for your buck, you need to be installing IBM i updates on a regular basis.
Written by Steve Pitcher
What is a PTF? PTF stands for Program Temporary Fix, which could have been an accurate descriptor 25 years ago, but today the term is very misleading. PTFs include much more than just fixes. In fact, many new and exciting development features of the IBM i operating system are brought to you via PTF, most notably in the new Technology Refresh concept. More on that shortly.