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(efaq)Displaying the current line or column

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How do I make Emacs display the current line (or column) number?
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   To have Emacs automatically display the current line number of the
point in the mode line, do `M-x line-number-mode'.  You can also put the
form

     (setq line-number-mode t)

in your `.emacs' file to achieve this whenever you start Emacs.  (Line
number display is on by default, unless your site-specific
initialization disables it.) Note that Emacs will not display the line
number if the buffer's size in bytes is larger than the value of the
variable `line-number-display-limit'.

   As of Emacs 20, you can similarly display the current column with
`M-x column-number-mode', or by putting the form

     (setq column-number-mode t)

in your `.emacs' file.

   The `"%c"' format specifier in the variable `mode-line-format' will
insert the current column's value into the mode line.  See the
documentation for `mode-line-format' (using `C-h v mode-line-format
<RET>') for more information on how to set and use this variable.

   Users of all Emacs versions can display the current column using the
`column' package written by Per Abrahamsen <abraham@dina.kvl.dk>.
Note: Packages that do not come with Emacs, for instructions on how
to get it.

   None of the `vi' emulation modes provide the "set number" capability
of `vi' (as far as we know).