On Tue, 4 Jul 2023 19:02:47 +0000, Seymour J Metz wrote: >I'm not convinced that it would have been too expensive in OS/360. > It was considered so expensive that OPEN overlays the DDNAME in the DCB, presumably to save 8 bytes of storage. The DDNAME is unnessary after OPEN unless something goes wrong.
But the original DCB is restored by CLOSE. Where is it kept in tnhe meantime without using even more storage? -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
