What are some example commands for Open/Close CD?

Here are some common usage examples:

• OPEN_CD.EXE open -- Opens the default CD-ROM drive
• OPEN_CD.EXE close -- Closes the default CD-ROM drive
• OPEN_CD.EXE open d -- Opens CD-ROM drive D:\
• OPEN_CD.EXE close e -- Closes CD-ROM drive E:\
• OPEN_CD.EXE open d "C:\WINDOWS\NOTEPAD.EXE" -- Opens drive D:\ and launches Notepad
• OPEN_CD.EXE open "C:\WINDOWS\CALC.EXE" -- Opens the default drive and launches Calculator