gnome-extensions:tldr:a90a1

This command is used to enable a specific GNOME Shell extension in a GNOME desktop environment.

Here's a breakdown of the command:

• gnome-extensions is the command-line utility that allows you to interact with GNOME Shell extensions.
• enable is an option or subcommand of gnome-extensions, which instructs the utility to enable a specific extension.
• "${extension_id}" is a placeholder that represents the unique identifier of the desired GNOME Shell extension. This identifier (extension ID) is typically a string formed by the name of the extension and some additional characters, like alphanumeric characters or hyphens.

To use this command, you need to replace ${extension_id} with the actual unique ID of the extension you want to enable. Once executed, the command will enable the specified GNOME Shell extension, allowing you to use its additional features or functionalities within your desktop environment.