When using the --help option of a terminal program, a lot of output is produced. It usually starts with Usage: and then a bunch of things and brackets and parentheses. My question is, what doe the brackets/parentheses mean? I believe that anything in between [] is optional, but could somebody explain what the rest means?
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Kookerus
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Probably a duplicate: http://unix.stackexchange.com/questions/193815/how-do-i-use-man-pages-to-learn-how-to-use-commands, http://unix.stackexchange.com/questions/17833/understand-synopsis-in-manpage – Arkadiusz Drabczyk Apr 12 '15 at 02:46
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1Not exactly a duplicate, but both of those questions have an answer that works for mine as well. My mistake. – Kookerus Apr 12 '15 at 03:17