For the information of a system administrator, the following parameters are shown here:
database version and other parameters
the operating system version and the release version of this software
A system monitoring tool is constantly checking the state of the system and displaying all the relevant data. This way a system administrator can check the "health" of the system with parameters like:
File system usage
IO Status
MySQL performance (throughput, slow queries, ...)
Network status
CPU parameters
Memory usage
...