* Run single cells: <iclass="fa fa-play"></i>-Button or `Shift`+`Enter`
* Run all cells of a notebook: Menu `Run`<iclass="fa fa-chevron-right"></i>`Run All Cells`
* To restart the kernel (delete all variables): <iclass="fa fa-repeat"></i>-Button
***Backup data:** It is recommended to download the edited files via the fileviewer on the left side. (Right-click the file, then <iclass="fa fa-arrow-down"></i>`Download`).