5.1 Typical release schedule5.2 Recommended service upgrades (RSUs)5.3 How to apply a recommended service upgrade5.3.1 Get service from the Internet5.3.2 Download the service files5.3.3 Receive, apply, and build the service5.3.4 Put the service into production5.4 How to apply a program temporary fix5.4.1 Get service by using Shopz5.4.2 Determine whether a PTF was applied5.4.3 Download the service to z/VM5.4.4 Receive, apply, and build the service5.4.5 Put the service into production5.4.6 Check for APARMEMO files5.5 How to determine the service level of TCP/IP5.6 Moving on to Linux