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(efaq)Going to a line by number

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How can I go to a certain line given its number?
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   Are you sure you indeed need to go to a line by its number?  Perhaps
all you want is to display a line in your source file for which a
compiler printed an error message?  If so, compiling from within Emacs
using the `M-x compile' and `M-x recompile' commands is a much more
effective way of doing that.  Emacs automatically intercepts the compile
error messages, inserts them into a special buffer called
`*compilation*', and lets you visit the locus of each message in the
source.  Type `C-x `' to step through the offending lines one by one.
Click `Mouse-2' or press <RET> on a message text in the `*compilation*'
buffer to go to the line whose number is mentioned in that message.

   But if you indeed need to go to a certain text line, type `M-x
goto-line <RET>'.  Emacs will prompt you for the number of the line and
go to that line.

   You can do this faster by invoking `goto-line' with a numeric
argument that is the line's number.  For example, `C-u 286 M-x
goto-line <RET>' will jump to line number 286 in the current buffer.

   If you need to use this command frequently, you might consider
binding it to a key.  The following snippet, if added to your `~/.emacs'
file, will bind the sequence `C-x g' to `goto-line':

      (global-set-key "\C-xg" 'goto-line)