A command, typed by the user, and its output. The “>” character is the command prompt.

The name of a program, when used in a sentence, rather than in literal input or output.

Text provided to or received from a computer program.

Text that should be replaced with an appropriate value when typing a command.

At the end of a line in command or program examples, indicates that a long line of literal input or output continues onto the next line in the document.