IBM SC34-5764-01 - Manual (Page 373)

Example
'FILEPOOL DEFINE POOL1 REXXDIR1 REXXLIB1 (USER'
This example defines file pool POOL1 and tells RFS the CICS file definition to use is REXXLIB1. It also
indicates to the FILEPOOL FORMAT command to issue an RFS MKDIR to build the \USERS directory.
Note
This is an authorized command, performed by a REXX/CICS administrator or systems programmer.
Commands
Chapter 25. REXX/CICS Commands 351