Findings:

• "operating system" loophole in the GNU GPL
• standing but not operating
• The man behind the operating system
• X-OS: eXtreme operating system
• Net Operating Loss
• Operating Instructions
• How an operating system boots
• Modern Operating Systems
• Windows 95 Operating System Components
• They forgot to give me the operating system!
• Internetwork Operating System
• Self-updating operating system
• Operating Systems Design and Implementation
• Unix-like operating systems
• Toy operating systems
• actual operating system locales
• Radar operating modes
• Guardian Operating System
• Train Operating Company
• Bell Operating Company
• Windows (operating system)
• Operating Manual for Spaceship Earth
• Operating Room drama
• Operating Systems (e2poll)
• The Operating Theater
• Operating Missions as Nodes on the Internet: IP in Space
• operating ratio
• real operating system
• Regional Bell Operating Company
• Pink operating system
• The perfect operating system
• operating profit
• Standard Operating Procedure
• real-time operating system
• International Union of Operating Engineers
• batch operating system
• Solution to the two envelope paradox
• 100 envelopes
• self-addressed stamped envelope
• flight envelope
• The envelope held fingernail parings and a note which read, "There are more where these came from"
• Manila envelope
• envelope filter
• An envelope from the previous systems administrator
• Red envelope
• Make money stuffing envelopes
• The envelope
• Two Envelope Paradox
• pushing the envelope
• Envelope #4: Deserted
• envelope generator
• Operating system
• M&M's standard operating procedure for bored engineers
• Be Operating System
• Linux-based operating system
• fringe operating systems
• Disk Operating System
• Domain Operating System
• envelope
• Security Envelope
• my insides are like lava. let me warm you. I will envelope all of you
• little red envelopes
• Envelope Protocol
• Creating decorative pieces from red envelopes
• Back of the envelope calculation
• The Back of the Envelope: Part II
• The Back of the Envelope: An example of informal military analysis

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