An IBM i expert provided an overview of several topics related to maintaining and updating IBM i systems, including:
1) How to apply fixes (PTFs) using methods like Fix Central, image catalogs, and virtual optical devices to streamline the process.
2) Best practices for regularly applying groups of fixes like HIPERs, TR groups, and CUM packages to keep systems up-to-date.
3) How to use tools like WRKPTFGRP, DSPPTF, and job logs to verify fixes have installed correctly.
4) Steps to clean up if a Fix Central download fails to prevent issues with future updates.
5) An introduction to Navigator for