Honestly, this whole discussion is kind of pointless, no? z/os IBM/390 IBM/370 IBM/360 all share ... instruction set. While the newer models all have newer instructions, object code assembled on a 360 is just as valid today as it was in 1960.
Joe On Thu, Jul 2, 2020 at 4:13 AM R.S. <[email protected]> wrote: > W dniu 01.07.2020 o 20:57, Frank Swarbrick pisze: > > Thanks Tim. > > > > I can't imagine being comfortable writing new code, at least, for a > compiler that has not been updated in 35 years, but maybe that's just me. > 🙂 > > > > Now that we know what languages are still supported, I am still curious > if anyone out there is actually still using them, and if so, why. > > 1. I'm pretty sure there are users of those compilers, this is the only > reason to keep them under support. > 2. I guess the users do not create new applications from scratch rather > they maintain and update existing applications. Is it safe to use so old > compiler? It is safe to use *supported* compiler. Age has no big meaning > here, what would you say for 7 years old, but unsupported compiler? > > BTW: As a mainframe bigot I sometimes am forced to explain why so old > things are still in use. Yes, z14 or z15 is veeeeeery old. As old as > z/OS 2.4, or DB2. It is hard job, because usually nobody want to hear > answers, but one of my favorite is the wheel. Wheel is quite old idea, > but still in common use. They say M$ introduced a car without wheels or > the the wheels are enhanced - square... > Last, but not least: some 20 years old COBOL code is not obsoleted by > changes in the OS/compiler/whatever, but code on Windows *had* to be > rewritten several times during this period. Dot net? It was so modern > just few years ago and now is obsolete. Note: that means programming > effort just to upgrade system, without any application (business logic) > changes. > > -- > Radoslaw Skorupka > Lodz, Poland > > > > > > ====================================================================== > > Jeśli nie jesteś adresatem tej wiadomości: > > - powiadom nas o tym w mailu zwrotnym (dziękujemy!), > - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub > zapisałeś na dysku). > Wiadomość ta może zawierać chronione prawem informacje, które może > wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia > (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, > narusza prawo i może podlegać karze. > > mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa, > www.mBank.pl, e-mail: [email protected]. Sąd Rejonowy dla m. st. Warszawy > XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 0000025237, NIP: > 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na > 01.01.2020 r. wynosi 169.401.468 złotych. > > If you are not the addressee of this message: > > - let us know by replying to this e-mail (thank you!), > - delete this message permanently (including all the copies which you have > printed out or saved). > This message may contain legally protected information, which may be used > exclusively by the addressee.Please be reminded that anyone who > disseminates (copies, distributes) this message or takes any similar > action, violates the law and may be penalised. > > mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 > Warszawa,www.mBank.pl, e-mail: [email protected]. District Court for the > Capital City of Warsaw, 12th Commercial Division of the National Court > Register, KRS 0000025237, NIP: 526-021-50-88. Fully paid-up share capital > amounting to PLN 169.401.468 as at 1 January 2020. > > ---------------------------------------------------------------------- > 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
