There are symbolic links or directories which must be necessarily
defined in your root HFS file. This means that every time new
maintenance is applied on your z/OS, those symbolic links are lost
and some applications can no longer run. Inevitably you oversee the
problem until it becomes apparent after somebody's call complaining
about the outage and then you must quickly try to understand what is
actually missing before you can get everything up and running again.
This script, if executed after each IPL, ensures that symbolic links
or directories with such characteristics are always where they
should be even after maintenance is applied and a new HFS root file
is in place.
All you need to do is define your directories and symbolic links
in two files according to the certain rules and then make sure
that the script is called after every IPL by adding it to your