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Date: Mon, 16 Dec 2019 11:22:48 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: non-persistent storage?
Message-ID: <20191216102248.GO10310@calimero.vinschen.de>
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References: <BYAPR09MB29010912EBAE9D8F0196D35E9B550 AT BYAPR09MB2901 DOT namprd09 DOT prod DOT outlook DOT com> <20191212220749 DOT GB12864 AT tik DOT uni-stuttgart DOT de> <3bcb25a9-3d7a-2b88-f2ca-83d46f2b03cd AT wagner DOT is> <20191212232102 DOT GD12864 AT tik DOT uni-stuttgart DOT de> <019cfbcf-d1b3-ddf0-1f07-5c2fda599144 AT wagner DOT is> <20191213093416 DOT GE12864 AT tik DOT uni-stuttgart DOT de>
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On Dec 13 10:34, Ulli Horlacher wrote:
> On Fri 2019-12-13 (07:27), J=C3=BCrgen Wagner wrote:
> > And regarding the tmpfs (RAM disk) , you can use /dev/shm.
> >=20
> > # date > /dev/shm/key
> > # cat /dev/shm/key
> > Fri Dec 13 07:26:03 CET 2019
>=20
> /dev/shm ist not a tmpfs on cygwin:
>=20
> /dev/shm: df -TH /dev/shm
> Filesystem     Type  Size  Used Avail Use% Mounted on
> C:/cygwin64    ntfs   34G   25G  9.1G  74% /
>=20
> When I write something into this direcory and reboot, it is still there.

...unless you open the file with the O_TMPFILE flag as outlined
in my other reply.


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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