output of dfsmsrm query lib invent all

[Gimblet, Tom]

Folks,

 

   When I issue the command dfsmsrm query lib invent all the second line
of the output reads

 

FSMBCJ2181I Category Name                    Volume PI MQ EP EJ MP UL MM
ME Class type

 

 

  What does the PI MQ EP EJ MP UL MM and ME  mean?

 

 

    

 Thanks

Thomas Gimblet

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