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I forgot about real and effective UIDs. Now everything is clear. Thank you!

Reputet
– Reputet

2016-08-04 13:36:42 +00:00
Commented Aug 4, 2016 at 13:36
If you read the source code of mount you will see the check if you're really root. See for more details github.com/karelzak/util-linux/blob/master/sys-utils/…

hspaans
– hspaans

2016-08-04 14:57:57 +00:00
Commented Aug 4, 2016 at 14:57

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Correct minor typos or mistakes
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create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)

<https://example.com>

[example](https://example.com)

<a href="https://example.com">example</a>

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