If you are using Q-pointers in a defined MD/VOC file then you may well need to create a SYSTEM file to define the home directories of other accounts. By default Q-pointers are resolved by using the $JBCRELEASEDIR/src/SYSTEM file. This can be changed by setting the JEDIFILENAME_SYSTEM variable to an alternative hash file or directory.
While it is not required, it is strongly advised that this value be set to the complete path of the system file and not a relative path (as an example, /home/islandjim/SYSTEM]D should be used instead of ./SYSTEM]D).
Valid file path.
As per normal environment variable, so it can be set at any time by the commands: