QSYSfile system. In addition, normal AS/400 authority must be set appropriately to access objects in these libraries.
This parameter can appear more than once. All libraries listed on all occurrences are included.
QUSRSYS. The library does not have to exist. If Library ends in an asterisk ("*"), then any library name that matches up to the asterisk will be included. For example,
ABCDEFwould match if
Multiple entries may exist in the master server configuration file