2 ms·https://en.wikipedia.org/wiki/Ed_(text_editor) https://en.wikipedia.org/wiki/Ed_(text_editor)by pas 5y agohttps://en.wikipedia.org/wiki/Ed_(text_editor) https://en.wikipedia.org/wiki/Ed_(text_editor)nikau 5y agojoke was the default error message in ed is `?`pas 5y agoAh! My lack of beard is showing! Oh noes :))) Thanks for the explanation!