This example also shows that not all positions are reasonable for all keys: for rhythm guitar this sounds an octave too high. However, for soloing it can be useful, it sounds good for example as arpeggio.
G shapeYou can play this as barre chord if you’re able to do this, in this case the high E string is not picked. For most people it’s easier to finger each note separately using the first three or four strings. Example: A major using the G CAGED shape looks like
G
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