Tom, Simple, maybe. The POPs description for DFLTCC is over 40 pages of two-column text.
Mike Shaw MVS/QuickRef Support Group Chicago-Soft, Ltd. On Sun, Jul 13, 2025 at 9:40 AM Tom Harper < [email protected]> wrote: > Richard, > > Simplest of all is a single instruction (no authorization needed): DFLTCC. > > Tom Harper > > Phoenix Software International > > On 7/11/2025 12:27 PM, Richard Zierdt wrote: > > Any recommendations of textbooks, papers, etc about data compression for > the beginner and up in general, and/or Redbooks, SHARE conferences, et.al., > about data compression with a z/OS slant in particular? > > > > Yes, there are CSRCESRV and CSRCMPSC services and I'll play with them, > but some amount of "under the hood" documentation would help. > > > > "tailored" compression, "generic" compression, Dictionaries, tokens, Oh > My! > > > > Thanks > > Richard Zierdt > > > > Confidentiality Warning/Avertissement de confidentialité: > > > > This message is intended only for the named recipients. This message may > contain information that is privileged or confidential. If you are not the > named recipient, its employee or its agent, please notify us immediately > and permanently destroy this message and any copies you may have. Ce > message est destiné uniquement aux destinataires dûment nommés. Il peut > contenir de l'information privilégiée ou confidentielle. Si vous n'êtes pas > le destinataire dûment nommé, son employé ou son mandataire, veuillez nous > aviser sans tarder et supprimer ce message ainsi que toute copie qui peut > en avoir été faite. > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > > -------------------------------------------------------------------------------- > This e-mail message, including any attachments, appended messages and the > information contained therein, is for the sole use of the intended > recipient(s). If you are not an intended recipient or have otherwise > received this email message in error, any use, dissemination, distribution, > review, storage or copying of this e-mail message and the information > contained therein is strictly prohibited. If you are not an intended > recipient, please contact the sender by reply e-mail and destroy all copies > of this email message and do not otherwise utilize or retain this email > message or any or all of the information contained therein. Although this > email message and any attachments or appended messages are believed to be > free of any virus or other defect that might affect any computer system > into > which it is received and opened, it is the responsibility of the recipient > to ensure that it is virus free and no responsibility is accepted by the > sender for any loss or damage arising in any way from its opening or use. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
