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ogs-site/lfsa/en/index.md
2019-06-26 12:16:25 +03:00

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Title: Index
Date: 2019-06-26 00:00
Category: Page
Slug: index
Lang: en
## Overview
**L**ocal **F**ile **S**ystem **A**ccess (**LFSA**) is:
* a tiny web server to allow client side JS access to local file system
* a buildling block for **C**lient **S**ide **W**eb **A**pps (**CSWA**)
* a single Python file
* released under [CC0][cc0] license (public domain)
Client Side Web Apps run solely on your device, they are not related to cloud solutions in any way: nobody can pull the plug on you.
CSWAs may use LFSA to keep data locally so that you could have complete control of your data.
[PSKOV][pskov] static site generator is the first CSWA to use LFSA.
## Download LFSA
Download [lfsa_1.0.0.py][lfsa-local].
If you use Linux or macOS, you're all set.
## Install Python (Windows only)
<video controls poster="../vid/download-install-python.poster.png">
<source src="../vid/download-install-python.mp4" type ="video/mp4">
<source src="../vid/download-install-python.webm" type ="video/webm">
ERROR Your browser does not support HTML5 video
</video>
Windows doesn't have Python installed by default, you have to [install Python yourself][python] to be able to run LFSA.
**Note**: the video depicts Python 2.3.4 installation under Windows 2000, use the latest Python available for your version of Windows.
## Run LFSA
### Linux and macOS
<video controls poster="../vid/run-lfsa.macos.poster.png">
<source src="../vid/run-lfsa.macos.mp4" type ="video/mp4">
<source src="../vid/run-lfsa.macos.webm" type ="video/webm">
ERROR Your browser does not support HTML5 video
</video>
If you use Linux or macOS, run LFSA in terminal:
```
/path/to/lfsa_1.0.0.py /path/to/dir
```
### Windows
<video controls poster="../vid/run-lfsa.w2k.poster.png">
<source src="../vid/run-lfsa.w2k.mp4" type ="video/mp4">
<source src="../vid/run-lfsa.w2k.webm" type ="video/webm">
ERROR Your browser does not support HTML5 video
</video>
If you use Windows, run LFSA in [CMD][cmd]:
```
C:/path/to/Python/installation/python.exe C:/path/to/lfsa_1.0.0.py C:/path/to/dir
```
## Durability
As you noticed, LFSA can run on really old operating systems dating back to 2000. That's intentional: we care about users, so we want to cover as many users as possible.
[pskov]: http://opengamestudio.org/pskov
[lfsa-local]: ../lfsa_1.0.0.py
[python]: https://www.python.org/downloads/windows/
[cmd]: https://en.wikipedia.org/wiki/Cmd.exe
[cc0]: https://creativecommons.org/share-your-work/public-domain/cc0/