Originally Posted by: duck7264The A minor pentatonic scale is ... also known as the C major pentatonic???[/quote]
Yes, that's right. They are relative major & minor to each other. The same group of notes, but with the scale degrees on different letters.
This tutorial explains pentatonic scales.
http://www.guitartricks.com/tutorial.php?input=296
[QUOTE=duck7264]If I move a whole step up to the 7fr... would this be a B pentatonic scale???
Yes, exactly, you've got it! All scale patterns on the guitar can be "slid up and down" the fretboard to transpose from one key to the next.
Hope this helps. Ask more if necessary! :)