O comando Sobre abre a janela Sobre, que mostra informações sobre a versão do GIMP que você está executando e os diversos autores que o escreveram.

This dialog also shows the Check for updates button that you can use to manually check whether you have the latest version of GIMP. If you have enabled automatic update checking, then this box may show you that a new version of GIMP is available. In that case the button will allow you to go to the newest download for GIMP.

12.5.2. Descrição da janela de dicas

Figura 16.275. A janela “Sobre”

The Credits button shows a list of people that have contributed to GIMP as developers, documenters and artists.

The License explains how to get the license.