<p>Does emacs have something like vi's “set number”, so that each line starts with its line number?</p>

[{'answer_id': 64310, 'author': 'Espo', 'author_id': 2257, 'author_profile': 'https://Stackoverflow.com/users/2257', 'pm_score': 3, 'selected': True, 'text': '<p>Take a look at this article. It explains various ways to add line numbers to emacs:</p>\n\n<p><a href="http://www.emacswiki.org/cgi-bin/wiki/LineNumbers" rel="nofollow noreferrer">http://www.emacswiki.org/cgi-bin/wiki/LineNumbers</a></p>\n'}, {'answer_id': 64325, 'author': 'James Sulak', 'author_id': 207, 'author_profile': 'https://Stackoverflow.com/users/207', 'pm_score': 1, 'selected': False, 'text': '<p>Try adding <a href="http://www.emacswiki.org/cgi-bin/wiki/LineNumbers" rel="nofollow noreferrer">linum.el</a> to your emacs dir / .emacs file.</p>\n'}]
['https://Stackoverflow.com/questions/64293', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/7621/']