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From: marco atzeri <marco.atzeri@gmail.com>
Date: Sun, 2 Apr 2023 23:22:24 -0400
Message-ID: <CAB8Xom-zk0FKPjWdOnw1Ww_rh25YYhaRt-YuUJELj20PqNXNpQ@mail.gmail.com>
Subject: Re: 'tac' trying to use "/tmp"; Error: not found
To: "Prof. Luis G. Uribe C." <luribe@usb.ve>
Cc: cygwin@cygwin.com
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On Sun, Apr 2, 2023 at 9:43=E2=80=AFPM Prof. Luis G. Uribe C. via Cygwin  w=
rote:
>
> *Bogot=C3=A1, Sunday April 2nd, 2023*
>
> *REF: 'tac' trying to use "/tmp"; Error: not found*
> *_______________________________________________________*
> *|  'tac'  utility dies with a not found "/tmp" error.  |*
> *=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=
=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=
=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=
=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=
=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF*
>   I didn't see this problem in older 'tac' versions...
>
>   I created "/tmp" under my root directory:
> *    "c:\tmp"* (Windows 10), *to no avail*.
>
>   I make a  *tmp*  dir directly *above*, in the *parent's 'tac' dir*:
>      *"../tmp"*, at the same level as other usual folders like:
>         *bin*, *dev*, *etc*, *lib*, *sbin*...,
>   and now: *'**tac' works fine**!*

The expectation for the existence of /tmp directory is well founded

https://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard

I assume by accident your installation pruned the directory.
I will not be surprised if other programs also complain, not only tac

> Best regards,
>
> *Eng. Luis G. Uribe C.*
>

Regards
Marco