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Temporary Data Set Processing

For output processing, the CA 1 message IECTMS9 is issued at OPEN before the tape volume being written to. If the tape or file is temporary, another IECTMS9 message is issued at CLOSE with WORK TAPE or WORK FILE within the message. Once work tapes are demounted, the operator can place them back in the scratch pool. CA 1 also issues this message for input processing when reading an expired volume or processing a file not recorded in the TMC. The option WRKFLS in TMOOPTxx allows temporary files.