any_command --help |more Display a brief help on a command (works with most commands). For example, try cp --help |more . "--help" works similar to DOS "/h" switch. The "more" pipe is needed when the output is longer than one screen. man topic Display the contents of the system manual pages (help) on the topic. Press "q" to quit the viewer. Try man man if you need any advanced options. The command info topic works similar to man topic , yet it may contain more up-to-date information. Manual pages can be hard to read--they were written for UNIX programmers. Try any_command --help for a brief, easier to digest help on a
<Ctrl><Alt><F1> Switch to the first text terminals. Under Linux you can have several (6 in standard setup) terminals opened at the same time. This is a keyboard shortcut, which means: "press the control key and the alt key, hold them. Now press <F1>. Release all keys."
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