help
As the name suggests, this command is your friend to navigate through the Launcher. It will provide you with a list of all available commands and their descriptions, with basic usage information.
Syntax
help
If you want to know just about a specific command, you can use:
help [command]
Example
help
help launch
launch
command.
Tip
You can also long press any command suggestion to get a brief description of the command in the form of a popup dialog.