from Builder.com
Answer the following questions to see if your department is using open source software:

• Does your team use Mozilla Web browser, Linux, Apache Web server, or MySQL?
• Do you use gcc or g++ for compiling?
• Does your team build executables using make?
• How about the Bash shell, grep, gzip, sed, calc, ed, Emacs, Finger, or uucp?
• Do you use CVS or Bugzilla?