Take a Screenshot

  • Capture the entire screen: ⇧ + ⌘ + 3
  • Capture a portion of the screen: ⇧ + ⌘ + 4
  • Open screenshot utility: ⇧ + ⌘ + 5

Window Tiling

  • Right: fn + ⌃ + →
  • Left: fn + ⌃ + ←
  • Top: fn + ⌃ + ↑
  • Bottom: fn + ⌃ + ↓

See Window tiling