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Re: Sometiomes I really LOVE linux.

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From Eli the Bearded <*@eli.users.panix.com>
Newsgroups comp.os.linux.misc
Subject Re: Sometiomes I really LOVE linux.
Date Tue, 25 Sep 2018 15:28:00 +0000 (UTC)
Organization Some absurd concept
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In comp.os.linux.misc, Robert Heller  <heller@deepsoft.com> wrote:
> "Carlos E. R." <robin_listas@es.invalid> wrote:
>> of a program that are not used at the moment, and loads them from the
>> file.exe again when needed. If the exe file gets changed, the
>> application would crash.
> Linux is not really any different, except *Linux* *NEVER* "deletes" a
> *file*. 
...
> The kernel can still continue to page in the RO parts of the program as 
> needed.  Meanwhile you can create a new program file under the "old" name.  
> Later when the program finishes (or is killed, or whatever), the old inodes 
> get reclaimed and when the program is next started, it uses the new verson.

And if you don't do that rename step, and edit a program, unpredictable
things happen. It's easiest to do with scripts. In the case of Perl, the
interpreter reads the whole thing and then runs, pretty safe. In the
case of Bash, it reads it line by line, so if the script changes
underneath it, it will likely read the next line from the wrong spot.

Elijah
------
this is general unix stuff, not linux specific

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Thread

Sometiomes I really LOVE linux. The Natural Philosopher <tnp@invalid.invalid> - 2018-09-24 19:29 +0100
  Re: Sometiomes I really LOVE linux. Robert Heller <heller@deepsoft.com> - 2018-09-24 15:14 -0500
    Re: Sometiomes I really LOVE linux. Bobbie Sellers <bliss@mouse-potato.com> - 2018-09-24 14:01 -0700
      Re: Sometiomes I really LOVE linux. Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2018-09-24 21:27 +0000
        Re: Sometiomes I really LOVE linux. "Carlos E. R." <robin_listas@es.invalid> - 2018-09-24 22:49 -0400
          Re: Sometiomes I really LOVE linux. Richard Kettlewell <invalid@invalid.invalid> - 2018-09-25 09:08 +0100
          Re: Sometiomes I really LOVE linux. Rich <rich@example.invalid> - 2018-09-25 11:51 +0000
            Re: Sometiomes I really LOVE linux. Richard Kettlewell <invalid@invalid.invalid> - 2018-09-25 14:45 +0100
              Re: Sometiomes I really LOVE linux. Rich <rich@example.invalid> - 2018-09-25 20:22 +0000
                Re: Sometiomes I really LOVE linux. Richard Kettlewell <invalid@invalid.invalid> - 2018-09-26 08:32 +0100
          Re: Sometiomes I really LOVE linux. Robert Heller <heller@deepsoft.com> - 2018-09-25 08:34 -0500
            Re: Sometiomes I really LOVE linux. Eli the Bearded <*@eli.users.panix.com> - 2018-09-25 15:28 +0000
              Re: Sometiomes I really LOVE linux. Robert Heller <heller@deepsoft.com> - 2018-09-25 11:21 -0500
                Re: Sometiomes I really LOVE linux. Eli the Bearded <*@eli.users.panix.com> - 2018-09-25 21:26 +0000
                Re: Sometiomes I really LOVE linux. Robert Heller <heller@deepsoft.com> - 2018-09-25 19:06 -0500
              Re: Sometiomes I really LOVE linux. Rich <rich@example.invalid> - 2018-09-25 20:33 +0000
                Re: Sometiomes I really LOVE linux. Eli the Bearded <*@eli.users.panix.com> - 2018-09-25 23:41 +0000
                Re: Sometiomes I really LOVE linux. Rich <rich@example.invalid> - 2018-09-26 00:51 +0000
  Re: Sometiomes I really LOVE linux. jrg <jeff.g.group@att.net> - 2018-09-24 14:33 -0700
    Re: Sometiomes I really LOVE linux. Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2018-09-24 21:59 +0000

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