Re: Commenting Multiple Lines

[Deniz Dogan <deniz@dogan.se>]

On 2011-09-19 05:38, Nachiappan A wrote:
> Hi All,
>
> Thanks for the reply. M-; works for me. It does both the job of
> commenting and un-commenting.
>
> @Drew Adams : When i did 'C-h k' and tried 'C-c C-c' below was the
> description
> "runs the command comment-region, which is an interactive compiled Lisp
> function."
>
> Just trying to understanding, both C-c C-c and M-; does the job of
> commenting, what is the basic difference ?

C-c C-c is not a universal binding for commenting.  M-; is.  C-c C-c is 
most likely bound by some major mode you are using.  Try it in e.g. 
lisp-mode and you will see that it does not do commenting there.

> Where can i find all such emacs shortcuts related to programming ?

This also depends on the modes you are using.  You can use e.g. C-h b to 
see all bindings currently active (usually a pretty long list), or you 
can use C-h m to see a description of all modes you are currently using, 
which narrows the list of bindings for each mode down.