# Questions about the way synchronisation works

**URL:** https://forum.syncthing.net/t/questions-about-the-way-synchronisation-works/181
**Category:** Feature
**Created:** [May 18, 2014, 10:37pm UTC](https://forum.syncthing.net/t/questions-about-the-way-synchronisation-works/181 "2014-05-18T22:37:38Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![calmh](https://forum.syncthing.net/user_avatar/forum.syncthing.net/calmh/32/15311_2.png) [@calmh](https://forum.syncthing.net/u/calmh)
#### Post date: [May 19, 2014, 7:14am UTC](https://forum.syncthing.net/t/questions-about-the-way-synchronisation-works/181/3 "2014-05-19T07:14:44Z")

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> [@mumen](#):
>
> could we have a button to scan immediatly for differences, it would be useful for beginer’s understanding of the process.

See:

> [@Manual rescan button](http://forum.syncthing.net/t/manual-rescan-button/34):
>
> We could add a button to rescan when when know new files have been added.

> [@mumen](#):
>
> Bug : when deleting a file which is in read only mode (node win 7 / node win 8), It won’t delete on the other node, so the file is always coming back.

Sounds like a bug, yes. Could you file an issue here? [Issues · calmh/syncthing · GitHub](https://github.com/calmh/syncthing/issues)

> [@mumen](#):
>
> I meet difficulties to understand the way suppressions work. Some times, I must supress the same directory more than once. Even some times, supressing from the othe node is the only way, because some empty directories always come back. Do you have a text explaining the problem of synchronisation?

I’m not sure I understand the issue here. Are you talking about `.stignore` files?

> [@mumen](#):
>
> I’m sure it would be clear in version 1 and above: is it possible to hide the Dos windows where runs syncthing.exe ? Well I have seen that some messages are prompting here, but none of them helped me in understanding of what happened while deleting things!

See:

> [@Start syncthing in background without shell window / as a Windows service](http://forum.syncthing.net/t/start-syncthing-in-background-without-shell-window/163):
>
> Hi there! Would it be possible to ad an option to syncthing that made it start in the background, just showing a system try icon and not opening a shell window? In our target environment, we have the computers locked down to the point where shell windows can’t be opened (for securety reasons), and thus syncthing won’t start. This goes kind of in the directon of [this](http://forum.syncthing.net/t/a-syncthing-indicator/29 "this") topic, but the important thing for us is not so much tray notifications but the fact that it starts even when it can’t open up a…

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