Clue: Early Microsoft offering

Answer: DOS

Length: 3

---

Similar Clues:

• Microsoft offering (HOTMAIL with 7 letters)
• Microsoft Outlook offering (EMAIL with 5 letters)
• Microsoft offering with a Home Basic or Ultimate option (WINDOWSVISTA with 12 letters)
• Early TV offering (GMA with 3 letters)
• Early Atari offering (PONG with 4 letters)
• Key to Microsoft's early success (MSDOS with 5 letters)
• Early blues singer Ma -- (RAINEY with 6 letters)
• Brian ___, early Irish king (BORU with 4 letters)
• Early astronomer (OMAR with 4 letters)
• Early time (e.g. CRACKOFDAWN with 11 letters)