On Wed, 21 Dec 2022 06:16:14 -0500, David Cole wrote: >The notion of "PDS compression" has a long and time honored >history... But then along came... well, actual compression! > >As we all know, PDS compression has nothing to do with data >compression. All it does is rearrange the physical location of >members so as to eliminate the holes (foam? gas?) that has arisen between them. > On some operating system long ago, the term was "squeeze".
"Defragment"? It's compression, just with a peculiar granularity. Using less space without loss of meaningful information. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
