jupyterlab/docs/source/user/commands.md

Command Palette

All user actions in JupyterLab are processed through a centralized command system. These commands are shared and used throughout JupyterLab (Menu Bar, Context Menus, etc.). The Command Palette provides a keyboard-driven way to search for and run any JupyterLab command:

[screenshot]

The Command Palette can be accessed using the keyboard shortcut Command-Shift-C:

[animation]