> For the complete documentation index, see [llms.txt](https://docs.irs.systems/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.irs.systems/ltt/documentation/ltt-gui-manual/gettingstarted/folder-structure.md).

# Folder Structure

After installation you will find a certain folder structure below your root installation folder.

![Folder Structure](/files/Zs9tpqsN19hmFbfyVIyk)

| Folder                 | Content                                                                                                             |
| ---------------------- | ------------------------------------------------------------------------------------------------------------------- |
| 10\_LTT\_Results       | Location of the history files ([more info](/ltt/documentation/ltt-gui-manual/lttgui/dialogs/altf10historydata.md)). |
| 20\_LTT\_Data\_Logs    | Location of various measurement data files.                                                                         |
| 30\_LTT\_Comm\_Logs    | Location of various DUT communication logs (currently not used).                                                    |
| 40\_LTT\_Sys\_Logs     | System log files.                                                                                                   |
| 50\_LTT\_SW            | The LTT GUI software + TestStand root + Configuration files.                                                        |
| 55\_LTT\_MDBS          | The measurement database system ([more info](/ltt/documentation/ltt-gui-manual/mdbs.md)).                           |
| 60\_LTT\_Action\_Logs  | See chapter about Action Logs.                                                                                      |
| 66\_LTT\_Tools         | Some tools.                                                                                                         |
| 77\_LTT\_Documentation | The LTT documentation.                                                                                              |

The **50\_LTT\_SW** folder content is like below:

| Folder          | Content                                                                                                                                                                                        |
| --------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| LTT Config      | Location of all LTT configuration files ([more info](https://github.com/irs-systems/IRS-LTT/blob/GitBook/doc/30%20User%20Documentation/documentation/ltt-gui-manual/Configuration/README.md)). |
| LTT GUI         | Location of the LTT GUI & LTT MesVis executables.                                                                                                                                              |
| LTT Limit Files | Location of all LTT limit configuration files ([more info](/ltt/documentation/ltt-gui-manual/lttgui/dialogs/f5limitconfiguration.md)).                                                         |
| LTT TS          | The TestStand root directory ([more info](/ltt/documentation/ltt-gui-manual/teststand.md)).                                                                                                    |


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