Avoid problems that can arise from known issues.
Output that is written by Linux while the terminal window is closed is not displayed. Therefore, a newly opened terminal window is always blank. For most applications, like login or shell prompts, it is sufficient to press Enter to obtain a new prompt.
Always end sessions with HVC terminal devices by explicitly logging off (for example, type exit and press Enter).
If a logoff results in a new login prompt, press Control and Underscore (Ctrl+_) then press d to close the terminal session. Simply closing the terminal window for a hvc0 terminal device that was activated for Linux kernel messages leaves the device active. The terminal session can then be reopened without a login.
If you want to create session transcripts for one or more terminals, ensure that there is always sufficient disk space for new transcripts. For example, use a cron job to monitor the available disk space and purge obsolete transcripts at regular intervals according to your audit policies. If disk space runs out, no further transcripts are written.
The following terminal IDs are reserved for the z/VM® IUCV HVC device driver: lnxhvc0 - lnxhvc7 and lnxhvc. Do not assign any of these terminal IDs when setting up iucvtty instances.
