OK thanks for the explanations.
To make sure:
1.) To prevent this scenario, I have to do recursive chown and chmod.
2.) If I chmod only /opt/experiment, there is absolutely no other way to access
apple, other than an already open terminal.
7. Mar 2018 14:34 by to...@tuxteam.de:
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> On Wed, Mar 07, 2018 at 12:19:06PM +0100, > epsilon...@tutanota.com> wrote:
>> Addition to previous email:
>> In terminal B I can still modify a files as follows:
>> touch aaa
>> echo "123" > aaa
>> But when I do,
>> vi aaa
>> even in the same terminal, vi can't access the file aaa.
> That's because vi probably converts the path to absolute before
> trying to open it. It wouldn't need to, see the openat() system
> call for how.
> - -- tomás
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