Re: pure C90 environment

From	Ian Collins <ian-news@hotmail.com>
Newsgroups	comp.lang.c
Subject	Re: pure C90 environment
Date	2020-05-18 13:25 +1200
Message-ID	<hie6foFamcgU2@mid.individual.net> (permalink)
References	<005caece-e5a1-4376-8e05-7ed7b02afe4a@googlegroups.com> <7fc3b639-9c7b-4292-8a20-d98dde05e4a8@googlegroups.com> <ec171ebd-e9b3-44a9-988a-8c4a7685e58e@googlegroups.com> <9c0facf4-9e33-4c6e-8692-773f49114a96@googlegroups.com> <hie6c2FamcgU1@mid.individual.net>

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On 18/05/2020 13:23, Ian Collins wrote:
> On 18/05/2020 08:02, Malcolm McLean wrote:
>> On Sunday, 17 May 2020 13:41:30 UTC+1, Paul Edwards  wrote:
>>> On Wednesday, 13 May 2020 20:02:09 UTC+10, Malcolm McLean  wrote:
>>>
>>>> I'm reviving this. I think yur niche might be virtual machines.
>>>> A virtual machine needs to be able to run with constrained resources
>>>> and an OS that keeps out of the way. We know it is possible to do
>>>> serious work with only a few MB of RAM and and few tens of MB hard drive
>>>> space, because for many years PCs had that specification.
>>>>
>>>> That's nothing for a modern PC. A virutal machine could be a faitly
>>>> lightweight application in the host environment.
>>>
>>> Can you elaborate on this please? Which OS
>>> needs to keep out of the way? Would that be
>>> PDOS/386? Which currently allows applications
>>> to directly manipulate I/O ports.
>>>
>> Virtual machines are usually hosted on a fully-featured, modern OS like
>> Windows or Apple;s OSX, running on a desktop machine with several
>> gigabytes of memory and several hundred gigabytes of backing store.
>> The virtual machine itself is just an ordinary application, running
>> under the host OS.
> 
> One class of VM meets that description but not all.
> 
>> However there's a real need for virtual machines to be light on resources.
> 
> The need is already met.  Solaris derived platforms have has lightweight
> zones since the early 2000s.  Linux now has containers.
> 
>> Their memory and disk space is memory and disk space that cannot be used
>> by the host machine. So the OS on the virtual machine needs to keep out of
>> the way. It can't be hogging huge tracts of memory or hard disk space.
> 
> Zones and containers share resources with the host OS.
> 
>> However, whilst Linux is
>> acceptable for virtual machines, a typical Linux installation is
>> still rather greedy.
> 
> BusyBox
>

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pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-01 22:19 -0700
  Re: pure C90 environment fir <profesor.fir@gmail.com> - 2020-05-02 01:24 -0700
    Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-02 01:56 -0700
      Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-02 02:06 -0700
        Re: pure C90 environment shi84516584@gmail.com - 2020-05-19 17:53 -0700
      Re: pure C90 environment fir <profesor.fir@gmail.com> - 2020-05-02 02:07 -0700
        Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-02 02:23 -0700
          Re: pure C90 environment shi84516584@gmail.com - 2020-05-19 17:55 -0700
  Re: pure C90 environment Philipp Klaus Krause <pkk@spth.de> - 2020-05-02 11:05 +0200
    Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-02 02:14 -0700
      Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-03 22:33 +0000
        Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-03 16:18 -0700
          Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-04 00:35 +0000
            Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-03 17:54 -0700
              Re: pure C90 environment Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-05-03 18:38 -0700
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-03 18:51 -0700
              Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-04 09:36 +0200
                Re: pure C90 environment James Harris <james.harris.1@gmail.com> - 2020-05-04 08:48 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-04 01:12 -0700
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-04 15:16 +0200
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-04 06:21 -0700
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-04 15:40 +0200
                Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-04 07:12 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-04 14:47 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-04 07:08 -0700
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-04 08:12 -0700
                Re: pure C90 environment BGB <cr88192@gmail.com> - 2020-05-05 11:36 -0500
                Re: pure C90 environment James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-05-19 11:25 -0400
                Re: pure C90 environment James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-05-19 11:39 -0400
                Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-19 08:45 -0700
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-19 17:43 +0200
                Re: pure C90 environment James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-05-19 12:35 -0400
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-19 20:14 +0200
                Re: pure C90 environment James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-05-19 14:42 -0400
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 12:11 -0700
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-19 21:46 +0200
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 13:11 -0700
                Re: pure C90 environment Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-05-19 14:39 -0700
                Re: pure C90 environment Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-05-19 13:24 -0700
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-20 09:26 +0200
                Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-19 21:11 +0000
                Re: pure C90 environment James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-05-19 18:51 -0400
                Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-19 23:26 +0000
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-20 09:33 +0200
              Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-04 11:49 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-04 04:00 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-04 17:58 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-04 10:18 -0700
                Re: pure C90 environment Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-05-04 13:57 -0700
    Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-02 12:11 +0200
      Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-02 11:26 +0100
        Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-02 13:06 +0200
          Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-02 04:26 -0700
            Re: pure C90 environment fir <profesor.fir@gmail.com> - 2020-05-02 04:53 -0700
              Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-02 16:21 +0200
                Re: pure C90 environment fir <profesor.fir@gmail.com> - 2020-05-02 11:20 -0700
            Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-02 16:20 +0200
              Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-02 07:33 -0700
                Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-02 16:35 +0200
              Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-02 17:30 +0100
                Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-02 18:37 +0200
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-02 18:18 +0100
                Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-02 19:25 +0200
                Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-02 19:25 +0200
                Re: pure C90 environment Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-05-02 22:45 +0100
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-02 23:29 +0100
                Re: pure C90 environment Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-05-03 03:55 +0100
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-03 13:07 +0100
                Re: pure C90 environment fir <profesor.fir@gmail.com> - 2020-05-03 05:24 -0700
                Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-03 05:26 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-03 14:27 +0100
                Re: pure C90 environment Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-05-03 22:38 +0100
                Re: pure C90 environment Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-05-03 22:06 +0100
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-04 00:28 +0100
                Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-03 02:16 -0700
                Re: pure C90 environment Öö Tiib <ootiib@hot.ee> - 2020-05-03 16:23 -0700
                Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-04 16:41 +0200
                Re: pure C90 environment Bonita Montero <Bonita.Montero@gmail.com> - 2020-05-04 16:59 +0200
                Re: pure C90 environment Öö Tiib <ootiib@hot.ee> - 2020-05-04 11:01 -0700
  Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-02 11:13 +0100
    Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-02 03:53 -0700
      Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-02 05:14 -0700
      Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-02 06:30 -0700
  Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-02 12:49 -0700
  Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-13 03:01 -0700
    Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-13 14:43 +0000
      Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-17 06:30 -0700
    Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-17 05:41 -0700
      Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-17 13:02 -0700
        Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-17 22:47 +0200
          Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-17 14:03 -0700
            Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-18 08:54 +0200
              Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 06:11 -0700
                Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-18 06:51 -0700
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 07:12 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-18 15:47 +0100
                Re: pure C90 environment Manfred <noname@add.invalid> - 2020-05-18 16:25 +0200
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 07:41 -0700
                Re: pure C90 environment Manfred <noname@add.invalid> - 2020-05-18 17:32 +0200
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-18 17:09 +0200
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 08:52 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-18 17:05 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 09:18 -0700
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-18 19:55 +0000
                Re: pure C90 environment Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-05-19 01:42 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 20:35 -0700
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-19 16:12 +0000
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 10:02 -0700
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-19 17:42 +0000
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-19 18:16 +0100
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-19 13:00 +0200
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 05:09 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-19 15:20 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 08:18 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-19 17:58 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 10:45 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-19 19:31 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 11:58 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-19 20:44 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 13:03 -0700
                Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-19 22:34 +0000
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 15:41 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-20 00:03 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 16:10 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-20 01:46 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 22:49 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-20 11:26 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-20 04:43 -0700
                Re: pure C90 environment Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-05-19 16:40 -0700
                Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-19 23:11 +0000
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 11:40 -0700
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-20 05:48 -0700
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-20 06:19 -0700
                Re: pure C90 environment Bart <bc@freeuk.com> - 2020-05-20 16:38 +0100
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-20 09:15 -0700
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-20 09:37 -0700
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-20 10:43 -0700
                Re: pure C90 environment Öö Tiib <ootiib@hot.ee> - 2020-05-20 10:58 -0700
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-20 11:36 -0700
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-20 12:37 -0700
                Re: pure C90 environment "muta...@gmail.com" <mutazilah@gmail.com> - 2021-03-10 17:43 -0800
                Re: pure C90 environment "muta...@gmail.com" <mutazilah@gmail.com> - 2021-03-10 17:58 -0800
                Re: pure C90 environment "muta...@gmail.com" <mutazilah@gmail.com> - 2021-03-10 18:03 -0800
                Re: pure C90 environment "muta...@gmail.com" <mutazilah@gmail.com> - 2021-03-10 18:29 -0800
                Re: pure C90 environment "muta...@gmail.com" <mutazilah@gmail.com> - 2021-03-10 19:54 -0800
                Re: pure C90 environment "muta...@gmail.com" <mutazilah@gmail.com> - 2021-03-10 20:01 -0800
                Re: pure C90 environment "muta...@gmail.com" <mutazilah@gmail.com> - 2021-03-10 20:04 -0800
                Re: pure C90 environment "muta...@gmail.com" <mutazilah@gmail.com> - 2021-03-10 21:07 -0800
                Re: pure C90 environment Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-03-10 23:10 -0800
                Re: pure C90 environment "muta...@gmail.com" <mutazilah@gmail.com> - 2021-03-11 01:21 -0800
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2021-03-11 15:26 +0000
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-19 17:18 +0200
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-19 09:52 -0700
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-19 17:39 +0000
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-19 16:17 +0000
                Re: pure C90 environment Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-05-19 22:54 +0100
                Re: pure C90 environment Ian Collins <ian-news@hotmail.com> - 2020-05-20 10:17 +1200
                Re: pure C90 environment Manfred <noname@add.invalid> - 2020-05-19 16:28 +0200
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-19 17:30 +0200
                Re: pure C90 environment Manfred <noname@add.invalid> - 2020-05-19 19:39 +0200
                Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-18 15:12 +0000
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-18 19:51 +0000
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 13:02 -0700
              Re: pure C90 environment Manfred <noname@add.invalid> - 2020-05-18 15:52 +0200
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-18 17:15 +0200
                Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-18 20:10 +0000
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 13:18 -0700
                Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-18 23:21 +0000
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-19 13:21 +0200
                Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-19 13:12 +0200
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-19 16:21 +0000
              Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-18 19:48 +0000
          Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-18 19:47 +0000
            Re: pure C90 environment David Brown <david.brown@hesbynett.no> - 2020-05-19 13:23 +0200
        Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-17 13:54 -0700
          Re: pure C90 environment Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-05-17 16:45 -0700
            Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-17 17:27 -0700
              Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-18 14:44 +0000
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 08:17 -0700
                Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-18 21:39 +0000
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-18 21:58 +0000
                Re: pure C90 environment Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-05-18 16:40 -0700
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-19 00:22 +0000
                Re: pure C90 environment antispam@math.uni.wroc.pl - 2020-05-19 00:27 +0000
                Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-19 16:10 +0000
                Re: pure C90 environment Paul Edwards <mutazilah@gmail.com> - 2020-05-18 14:59 -0700
          Re: pure C90 environment scott@slp53.sl.home (Scott Lurndal) - 2020-05-18 20:01 +0000
        Re: pure C90 environment Ian Collins <ian-news@hotmail.com> - 2020-05-18 13:25 +1200

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