13.1 Token activation and renewal13.1.1 Files sent from license processing function13.1.2 Overview of token updates13.1.3 Token license update details13.2 Read-only and shared DASD13.2.1 Shared read-only volumes13.3 Very large PC memory13.4 Token dates and times13.5 Typing OPRMSG too many times13.6 Important Linux command window13.7 The crontab and sudo entries13.8 Dynamic configuration changes13.9 Security exposures13.9.1 Reducing root usage13.9.2 Linux suid use13.9.3 Token server monitoring13.10 z1090instcheck13.11 zPDT build information13.12 CPs, processors, threads, and tokens13.13 CKD versioning13.14 1090 messages13.15 TCP/UDP ports13.16 Remote operation13.17 x3270 cursor position13.18 Devices, memory, msgmni, ulimit, sem13.19 Startup scripts13.20 Multiple users and 3270 sessions13.20.1 Methods to connect multiple 3270 sessions13.20.2 Multiple user configurations