[EMAIL PROTECTED] writes: > IBM created the PDS a long time ago - giving us some conveniences that > fit within its OS design. Other computer companies either did not > see this advantage or had OS structures that handled it other ways. > > Do we use PDSs now because that's what we have been using for decades? > Or is it possible to still keep advantages of our OS and go in a > different direction?
part of the original PDS design was trading off i/o resource vis-a-vis real-storage resource ... at a time when real storage was extremely constrained. some number of other systems ... especially those that came along later when real storage was a much less constrained resource ... made other kinds of implementation tradeoffs ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html