Related:

• RDL: Rotate Disk Lef
• RDR: Rotate Disk Righ
• RDLI: Rotate Disk Left Immediate
• RDRI: Rotate Disk Right Immediate
• A computer scientist is someone who fixes things that aren't broken.
• disk farm n. (also laundromat) A large room or rooms filled with disk drives (esp.
  washing machines)....
• Whadda ya mean broken? I thought it was a fixed disk!
• disk farm: n. (also {laundromat}) A large room or rooms filled with disk drives (esp.
  {washing machine}s). -- The AI Hackers Dictionary...