jupyterlab/docs/source/user/file_editor.md

File Editor

The file editor in JupyterLab enables you to edit text files in JupyterLab:

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The file editor includes syntax highlighting, configurable indentation (tabs or spaces), different key maps (vim, emacs, Sublime Text) and basic theming. These settings can be found in the Settings menu:

[screenshot]

To edit an existing text file, double-click on its name in the file browser or drag it into the main area:

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To create a new text file in the current directory of the file browser, click the + button at the top of the file browser to create a new Launcher tab, and click the “Text Editor” card in the Launcher:

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You can also create a new text file with the File menu:

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A new file is created with a default name. Rename a file by right-clicking on its name in the file browser and selecting “Rename” from the context menu:

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