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I'm learning Oz language. Im using Mozart for this and learning from this tutorial: http://mozart.github.io/mozart-v1/doc-1.4.0/tutorial/\ I'm a total beginner on it. There is a lot of shortcuts in this tutorial and I just can't find them on my keyboard... I'm using Mac OS X.

I figured what means C-. C-l (ctrl + . and the next ctrl + l)

but for example I can't figure out what means M-C-x ??? Its driving me crazy ;(

Do you know any useful resources that I can find more info about this style of writing shortcuts?

wiwo
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    https://www.gnu.org/software/emacs/manual/html_node/emacs/User-Input.html – Biffen Nov 19 '15 at 18:46
  • If you want to read Emacs documentation, start with the beginning of the Emacs manual, which explains the conventions. – tripleee Nov 19 '15 at 18:58
  • `M` is pronounced "Meta" and is either the option/alt key or the command key – different "editions" of Emacs on os x configure the keys differently. And there's a tutorial, as well as a complete manual, available in the "Help" menu. – molbdnilo Nov 20 '15 at 22:26

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As comments suggested, start with Emacs Tutorial

Afterwards:

M-x describe-key RET KEY RET will show you the real command-name.

Instead of typing the key, all commands are accessible via

M-x COMMAND RET

Commonly command-names are easier to memorize - and it's a mistake of tutorials focusing on keys.

Once you called a command by its name, a message will display the key afterwards - just to remind of that easier way to invoke, once got used to it.

Andreas Röhler
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    I think OP is asking what `M-` *means*, so telling them to type `M-x` might not be of much help. – Biffen Nov 20 '15 at 16:30