Determinando qual versão do GNOME está sendo usada

You can determine the version of GNOME that is running on your system by going to the About panel in Settings.

Open the Activities overview and start typing System.
Select Settings ▸ System from the results. This will open the System panel.
Select About to open the panel.
Select System Details.
Uma janela aparecerá mostrando informação sobre seu sistema, incluindo o nome da sua distribuição e a versão do GNOME.

You can choose the displayed language by adding a language suffix to the web address so it ends with e.g. .html.en or .html.de.
If the web address has no language suffix, the preferred language specified in your web browser's settings is used. For your convenience:
[ Change to English Language | Change to Browser's Preferred Language ]

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