Banjo Cm chord (Open G)C minor on the 5-string banjo: 1 0 1 1, and 1 more shape

Frets, string 4 to string 1: 1 0 1 1 (open position)

1. String 4 (D): 1st fret, index finger, E♭
2. String 3 (G): open, G
3. String 2 (B): 1st fret, middle finger, C
4. String 1 (D): 1st fret, ring finger, E♭
5. String 5, the short g: open, G, in the chord

Sounds: E♭ G C E♭  ·  Cm is C, E♭, G (1 · ♭3 · 5)

Found in: C dorian (i), G minor (iv), C minor (i), B♭ major (ii), E♭ major (vi), A♭ major (iii)

The 5th string: the short g is the 5th of Cm, so let it ring.

Up the neck: Barre minor shape: 5 5 4 5 (4fr); F minor shape: 10 8 8 10 (8fr); D minor shape: 13 12 13 13 (12fr). Slide a shape up or down to play another chord of its kind.

Open G tuning: gDGBD, the short 5th string first, then strings 4 to 1.