Rpger-When you are fretting a string [lets say string 3 or 4]hold down with medium pressure so it doesn't slip and push up between the two fret wires [towards you] . Now fret a note and "pull" the string toward your knees - you'll get it. Play about with it and have fun!

after_shox as far as i know [and that's about all i know] major scales are Tone - Tone - Semitone - Tone - Tone - Tone - Semitone. On the guitar 2frets-2frets-1fret-2frets-2frets-2frets-1fret.

take it easy.