Dell OptiPlex E1 Reference And Installation Manual page 12

Command lines consist of a command and may include one or more of the com-
mand's possible parameters. Command lines are presented in the Courier New
font.
Example: del c:\myfile.doc
Screen text is text that appears on the screen of your monitor or display. It can be
a system message, for example, or it can be text that you are instructed to type
as part of a command (referred to as a command line ). Screen text is presented
in the Courier New font.
Example: The following message appears on your screen:
No boot device available
Example: "Type md c:\programs and press <Enter>."
Variables are placeholders for which you substitute a value. They are presented in
italics.
Example: DIMM _x (where x represents the DIMM socket designation).
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