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Groups > alt.folklore.computers > #235349

Re: Origin Of Filename Extension Dot Separator

Subject Re: Origin Of Filename Extension Dot Separator
Newsgroups alt.folklore.computers
References <v8p8g6$ai44$1@dont-email.me> <87se4c5s1d.fsf@hyperbola.mail-host-address-is-not-set> <116f2m2$210na$1@toylet.eternal-september.org> <116fdlv$24uet$1@dont-email.me> <116fr66$29a3t$2@dont-email.me>
From Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid>
Organization Watcom Pro Ltd.
Message-ID <VmLiS.945940$4Fu9.777946@fx05.ams4> (permalink)
Date 2026-08-24 07:28 +0800

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On 24/08/2026 6:11 AM, Lawrence D’Oliveiro wrote:
> On Sun, 23 Aug 2026 11:20:45 -0700, Lars Poulsen wrote:
> 
>> On 2026-08-23 08:13, Mr. Chang Man-wai wrote:
>>>
>>> On 8/18/2026 5:57 AM, anthk@not.dev.null wrote:
>>>>
>>>> Under ITS I think they were just separated by a space
>>>
>>> The "dot separator" is just the full-stop symbol in english
>>> language, or the decimal point in mathematics.
>>
>> In Unix/Linux filesystems, that is so.
> 
> No. There is nothing in Unix/Linux/POSIX which decrees the name.ext
> syntax for anything.
> 
> Some tools (e.g. Make) may assume that for determining dependencies.
> But the kernel doesn’t care, and nor does most of the userland.

Nor WordPerfect for DOS.  The /dad joke/ I wrote earlier, for some value
of earlier, was written in WordPerfect for DOS, and I named the file
folklore.alt.  There was no room for the computers in the D.O.S. file-
name.
-- 
Johann | email: invalid -> com | http://www.myrkraverk.com/blog/
I'm not from the Internet, I just work there. | via Easynews.com
https://bsky.app/profile/myrkraverk.bsky.social | for ( ;; ) _:;

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Re: Origin Of Filename Extension Dot Separator anthk@not.dev.null - 2026-08-17 23:57 +0200
  Re: Origin Of Filename Extension Dot Separator John Levine <johnl@taugh.com> - 2026-08-18 00:07 +0000
    Re: Origin Of Filename Extension Dot Separator Bob Eager <throwaway0008@eager.cx> - 2026-08-18 11:51 +0000
      Re: Origin Of Filename Extension Dot Separator Rich Alderson <news@alderson.users.panix.com> - 2026-08-18 22:15 -0400
    Re: Origin Of Filename Extension Dot Separator Rich Alderson <news@alderson.users.panix.com> - 2026-08-18 22:13 -0400
  Re: Origin Of Filename Extension Dot Separator Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-23 07:32 +0000
    Re: Origin Of Filename Extension Dot Separator Peter Flass <Peter@Iron-Spring.com> - 2026-08-23 07:40 -0700
      Re: Origin Of Filename Extension Dot Separator Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-23 22:07 +0000
        Re: Origin Of Filename Extension Dot Separator Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-24 07:27 +0800
          Re: Origin Of Filename Extension Dot Separator vallor <vallor@vallor.earth> - 2026-08-24 01:31 +0000
            Re: Origin Of Filename Extension Dot Separator Chris Ahlstrom <OFeem1987@teleworm.us> - 2026-08-25 15:02 -0400
    Re: Origin Of Filename Extension Dot Separator Rich Alderson <news@alderson.users.panix.com> - 2026-08-23 23:36 -0400
  Re: Origin Of Filename Extension Dot Separator "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-23 23:13 +0800
    Re: Origin Of Filename Extension Dot Separator Lars Poulsen <lars@beagle-ears.com> - 2026-08-23 11:20 -0700
      Re: Origin Of Filename Extension Dot Separator Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-23 22:11 +0000
        Re: Origin Of Filename Extension Dot Separator Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-24 07:28 +0800
        Re: Origin Of Filename Extension Dot Separator Rich Alderson <news@alderson.users.panix.com> - 2026-08-23 23:39 -0400
      Re: Origin Of Filename Extension Dot Separator "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-25 01:15 +0800
        Re: Origin Of Filename Extension Dot Separator Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-25 03:28 +0800
          Re: Origin Of Filename Extension Dot Separator "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-25 12:20 +0800
            Re: Origin Of Filename Extension Dot Separator John Levine <johnl@taugh.com> - 2026-08-25 15:34 +0000
              Re: Origin Of Filename Extension Dot Separator John Ames <commodorejohn@gmail.com> - 2026-08-25 09:35 -0700
                Re: Origin Of Filename Extension Dot Separator scott@slp53.sl.home (Scott Lurndal) - 2026-08-25 17:00 +0000
                Re: Origin Of Filename Extension Dot Separator "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-28 20:07 +0800
                Re: Origin Of Filename Extension Dot Separator Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-29 16:59 +0800
                Re: Origin Of Filename Extension Dot Separator "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-30 04:13 +0800
              Re: Origin Of Filename Extension Dot Separator Snidely <snidely.too@gmail.com> - 2026-08-25 11:22 -0700
                Re: Origin Of Filename Extension Dot Separator Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-25 21:43 +0000
                Re: Origin Of Filename Extension Dot Separator scott@slp53.sl.home (Scott Lurndal) - 2026-08-26 15:34 +0000
                Re: Origin Of Filename Extension Dot Separator Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-29 17:08 +0800
              Re: Origin Of Filename Extension Dot Separator "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-28 20:12 +0800
                Re: Origin Of Filename Extension Dot Separator John Levine <johnl@taugh.com> - 2026-08-28 18:14 +0000
                Re: Origin Of Filename Extension Dot Separator Rich Alderson <news@alderson.users.panix.com> - 2026-08-28 21:02 -0400
                Re: Origin Of Filename ... text and civilization? doomsday? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-29 10:15 +0800
                Re: Origin Of Filename ... text and civilization? doomsday? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-29 11:55 +0800
                Re: Origin Of Filename ... text and civilization? doomsday? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-29 17:38 +0800
                Re: Origin Of Filename ... text and civilization? doomsday? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-30 04:09 +0800
                Re: Origin Of Filename ... text and civilization? doomsday? Rich Alderson <news@alderson.users.panix.com> - 2026-08-29 18:31 -0400
                Re: Origin Of Filename ... text and civilization? doomsday? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-30 11:33 +0800
                Re: Origin Of Filename ... text and civilization? doomsday? John Ames <commodorejohn@gmail.com> - 2026-08-31 09:34 -0700
                Re: Origin Of Filename ... text and civilization? doomsday? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-09-02 22:59 +0800
                Re: Origin Of Filename ... text and civilization? doomsday? John Ames <commodorejohn@gmail.com> - 2026-09-02 08:29 -0700
                Re: Origin Of Filename ... text and civilization? doomsday? Peter Flass <Peter@Iron-Spring.com> - 2026-09-02 12:36 -0700
                Re: Origin Of Filename ... text and civilization? doomsday? John Ames <commodorejohn@gmail.com> - 2026-09-02 13:00 -0700
                Re: Origin Of Filename ... Babylon cuneiforms etched on bread? Exorcism? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-09-04 12:24 +0800
                Re: Origin Of Filename ... text and civilization? doomsday? Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-02 21:55 +0000
                Re: Origin Of Filename ... text and civilization? doomsday? James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-09-03 04:44 +0000
                Re: Origin Of Filename ... text and civilization? doomsday? Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-03 04:57 +0000
                Re: Origin Of Filename ... text and civilization? doomsday? James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-09-03 05:29 +0000
                Re: Origin Of Filename ... text and civilization? doomsday? Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-03 06:57 +0000
                Re: Origin Of Filename ... text and civilization? doomsday? James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-09-03 10:06 +0000
                The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-03 18:29 +0800
                Re: The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) John Ames <commodorejohn@gmail.com> - 2026-09-03 08:02 -0700
                Re: The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) athel.cb@gmail.com <user12588@newsgrouper.org.invalid> - 2026-09-03 15:49 +0000
                Re: The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) Tony Cooper <tonycooper214@gmail.com> - 2026-09-03 14:08 -0400
                Re: The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) John Ames <commodorejohn@gmail.com> - 2026-09-03 11:34 -0700
                Re: The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) Tony Cooper <tonycooper214@gmail.com> - 2026-09-03 18:01 -0400
                Re: The Amarna Letters, Hebrew -- wait, which brew? Peter Flass <Peter@Iron-Spring.com> - 2026-09-03 15:26 -0700
                Re: The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) Steve Hayes <hayesstw@telkomsa.net> - 2026-09-04 04:51 +0200
                Re: The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-09-04 04:27 +0000
                Re: The Amarna Letters, Hebrew -- wait, which brew? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-04 12:52 +0800
                Re: The Amarna Letters, Hebrew -- wait, which brew? John Ames <commodorejohn@gmail.com> - 2026-09-04 08:15 -0700
                Re: The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) Steve Hayes <hayesstw@telkomsa.net> - 2026-09-05 06:05 +0200
                Re: The Amarna Letters, Hebrew -- wait, which brew? (was: Re: Origin Of Filename ... text and civilization? doomsday?) James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-09-05 09:13 +0000
                Re: Origin Of Filename ... text and civilization? doomsday? Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-05 21:09 +0000
                Re: The Amarna Letters, Hebrew -- wait, which brew? Malcolm Purvis <malcolm@purvis.id.au> - 2026-09-04 06:49 +1000
                Re: The Amarna Letters, Hebrew -- wait, which brew? Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-03 21:27 +0000
                Re: Origin Of Filename ... text and civilization? doomsday? Peter Flass <Peter@Iron-Spring.com> - 2026-09-03 08:28 -0700
                Re: Origin Of Filename ... text and civilization? doomsday? Rich Alderson <news@alderson.users.panix.com> - 2026-09-02 15:37 -0400
                Re: Origin Of Filename ... text and civilization? doomsday? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-29 05:25 +0000
                Re: Origin Of Filename ... text and civilization? doomsday? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-29 13:35 +0800
                Re: Origin Of Filename ... text and civilization? doomsday? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-29 17:35 +0000
                Re: Origin Of Filename ... text and civilization? doomsday? Chris Ahlstrom <OFeem1987@teleworm.us> - 2026-08-29 15:42 -0400
                Re: Origin Of Filename ... text and civilization? doomsday? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-29 21:07 +0000
                Re: Origin Of .... "say what?" "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-30 18:00 +0800
                Re: Origin Of Filename ... text and civilization? doomsday? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-30 04:17 +0800
                Re: Origin Of Filename Extension Dot Separator Charles Hope <clh@candehope.me.uk> - 2026-08-29 09:45 +0000
                Re: Origin Of Filename Extension Dot Separator Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-29 17:14 +0800
                Re: Origin Of Filename Extension Dot Separator "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-30 03:52 +0800
                Re: Origin Of ..... Darklands the video game? Medieval Europe? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-30 04:24 +0800
                Re: Origin Of ..... Darklands & the Holy Roman Empire? 15th century?? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-08-30 16:47 +0800
                Re: Origin Of ..... Darklands the video game? Medieval Europe? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-31 17:08 +0800
                Re: Origin Of ..... Darklands the video game? Medieval Europe? "Kerr-Mudd, John" <admin@127.0.0.1> - 2026-08-31 16:40 +0100
                Re: Origin Of ..... Darklands the video game? Medieval Europe? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-03 00:06 +0800
                Re: Origin Of ..... Darklands the video game? Medieval Europe? "Mr. Chang Man-wai" <toylet.toylet@gmail.com> - 2026-09-02 23:02 +0800
             Tops-10 filename/extension representation [was Re: Origin Of Filename Extension Dot Separator] Rich Alderson <news@alderson.users.panix.com> - 2026-08-25 16:15 -0400
              Re: Tops-10 filename/extension representation [was Re: Origin Of Filename Extension Dot Separator] Kragen Javier Sitaker <kragen@canonical.org> - 2026-09-05 10:14 -0300
                Re: Tops-10 filename/extension representation [was Re: Origin Of Filename Extension Dot Separator] Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-05 21:11 +0000

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