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This section describes commands that display or alter the context in which you are working: the current directory, the terminal settings, and so forth. See also the user-related commands in the next section.
|• pwd invocation:||Print working directory.|
|• stty invocation:||Print or change terminal characteristics.|
|• printenv invocation:||Print environment variables.|
|• tty invocation:||Print file name of terminal on standard input.|