Definition of "command line" []

• A shell, a command line interface; usually used with the definite article. (noun)
• The text prompt presented to the user in a command line interface. (noun)
• A line of text that is entered at such a prompt. (noun)

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• "Declaring Variables in the Assembler Invocation To facilitate the effective use of conditional assembly, A86 allows you to declare boolean (true-false) symbols in the command line that invokes the assembler."