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Specific text you are asked to type is shown in bold type. For example, if you are directed to type cd pmod, you would type the lowercase letters "cd" followed by a space and the letters "pmod."

Place holders for things such as file names and directories are shown in italics. For example, if you are directed to type filename.mod, enter the name of the file you wish to use (e.g., model_1.mod).