Is there a way to turn on line numbering for nano?


The only thing coming close to what you want is option to display your current cursor position. You activate it by using --const (manpage: Constantly show the cursor position) option or by pressing AltC on an open text file.

  • 4
    Good answer. The --const argument is the same as -c. Use it to open the file like this: nano -c filename . Also, to make it permanent, include the 'set const' option in your ~/.nanorc file, which may not exist until you create it. – MountainX Feb 2 '12 at 2:24
  • If your nano is newer, you may see the following in your man pages. -c, --constantshow Constantly show the cursor position on the status bar. Note that this overrides option -U (--quickblank). – Jay Bose Jul 30 '18 at 20:53

Adding set linenumbers in /etc/nanorc works for me in nano version 2.7.1.

It also can be activated with -l or --linenumbers on the command line.

Toggle the line numbers from within nano with: M-# in my case Alt+Shift+3.

  • Thanks for Alt+Shift+3 for toggling. – bob Jan 4 at 2:51
  • In addition to change the background color of the line numbers, I use set numbercolor ,normal – smac89 Apr 5 at 22:24

This was added on the 20th of October and was documented on the 22nd of October and has yet to make it into a release so compile it from source like so:

git clone git://git.savannah.gnu.org/nano.git;cd nano;./autogen.sh;./configure;sudo make install 

Then add the following to your .nanorc:

set linenumbers

You can use ^# to turn line numbers on and off from within Nano. It's probably a bit buggy since it's recent and hasn't been tested by many people.

  • A good answer would have pointed out that the feature was added within the past day, and has no user experience to relate to. – Thomas Dickey Oct 22 '16 at 19:03
  • What do you mean by "has no user experience to relate to"? – faissaloo Oct 22 '16 at 21:57
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    There cannot be more than 1-2 users of the feature at this point in time, there are no bug reports. By the way, "recently" demands a date (or link to the commit making the change). – Thomas Dickey Oct 22 '16 at 22:06
  • I don't see how that is in any way related to the question. – faissaloo Oct 23 '16 at 8:02
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    You got the date wrong (see commit October 20 by Faissal Bensefia). It also was undocumented until mid-day October 22. All other points raised are still issues. – Thomas Dickey Oct 23 '16 at 10:18

Nano is by design a very simple editor with few features. If you start wishing for anything beyond basic edition, nano isn't the right tool. Emacs is a very powerful editor; to switch line numbers on, type M-x linum-mode. If Emacs scares you and you want a text mode editor, consider Joe, where line numbers are switched on with the -linums option.

  • So.. Emacs is your text editor of choice? – Pacerier Aug 9 '16 at 14:33

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