Related Clues:

• PC operating system
• Early Windows underpinning
• Buns, e.g.
• Elevated hair
• List of suggested actions
• Bob and flip
• Operating system of a computer, in short
• Two, in Peru
• Operating system
• A couple of Spaniards?
• Two, in Cancun
• Heading for the first of two columns
• 'Fros, e.g
• Hair arrangements
• Precursor to Windows