Findings:

• Standard Operating Procedure
• "operating system" loophole in the GNU GPL
• They forgot to give me the operating system!
• Windows 95 Operating System Components
• Modern Operating Systems
• How an operating system boots
• Operating Instructions
• Net Operating Loss
• X-OS: eXtreme operating system
• The man behind the operating system
• standing but not operating
• Internetwork Operating System
• batch operating system
• International Union of Operating Engineers
• real-time operating system
• Self-updating operating system
• operating profit
• The perfect operating system
• Pink operating system
• Regional Bell Operating Company
• Bell Operating Company
• operating ratio
• Operating Missions as Nodes on the Internet: IP in Space
• The Operating Theater
• Operating Systems (e2poll)
• Operating Room drama
• Operating Manual for Spaceship Earth
• Windows (operating system)
• expense report
• expense account
• How to use compensated expenses to your advantage
• The one with the expense account pays
• Management Expense Ratio
• expenses
• Overhead expenses
• MPs' Expense Scandal
• MPs' Expenses and the Freedom of Information Act
• Eating Well at Low Expense
• Operating system
• Domain Operating System
• expense
• Disk Operating System
• fringe operating systems
• Linux-based operating system
• Be Operating System
• M&M's standard operating procedure for bored engineers
• real operating system
• Train Operating Company
• Guardian Operating System
• Radar operating modes
• actual operating system locales
• Toy operating systems
• Unix-like operating systems
• Operating Systems Design and Implementation

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