From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.5-pre1 (2020-06-20) on ip-172-31-74-118.ec2.internal X-Spam-Level: * X-Spam-Status: No, score=1.8 required=3.0 tests=BAYES_50,FORGED_GMAIL_RCVD, FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.5-pre1 X-Received: by 2002:ac8:5546:: with SMTP id o6mr13770306qtr.211.1595881729225; Mon, 27 Jul 2020 13:28:49 -0700 (PDT) X-Received: by 2002:ae9:e641:: with SMTP id x1mr23662515qkl.424.1595881729081; Mon, 27 Jul 2020 13:28:49 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!feeder.eternal-september.org!news.gegeweb.eu!gegeweb.org!fdn.fr!proxad.net!feeder1-2.proxad.net!209.85.160.216.MISMATCH!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Mon, 27 Jul 2020 13:28:48 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: google-groups.googlegroups.com; posting-host=146.5.2.231; posting-account=lJ3JNwoAAAAQfH3VV9vttJLkThaxtTfC NNTP-Posting-Host: 146.5.2.231 References: User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <400c3572-58ff-42ec-ac47-7807759fa6a2o@googlegroups.com> Subject: Re: is there a version of unix written in Ada From: Shark8 Injection-Date: Mon, 27 Jul 2020 20:28:49 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Xref: reader01.eternal-september.org comp.lang.ada:59557 List-Id: On Friday, July 24, 2020 at 4:11:49 PM UTC-6, gdo...@gmail.com wrote: > is there a unix like OS written completely in Ada? Not that I'm aware of. But here's an even better question: if Unix derives many of its warts from = C, then what would an OS developed with Ada look like? -- There were severa= l references I found to an "Army Secure Operating System" which was an impl= ementation of the "Orange Book" requirements of a secure operating system. IMO, Unix and C have put the industry back decades. / If OSes interest you,= please, study and take inspiration from non-Unix OSes.