Just for the sake of it -- a great discussion about ed from 2012: https://news.ycombinator.com/item?id=4120513 https://news.ycombinator.com/item?id=4120513 An

Just for the sake of it -- a great discussion about ed from 2012: https://news.ycombinator.com/item?id=4120513 https://news.ycombinator.com/item?id=4120513 And a cheat sheet linked there: https://catonmat.net/ftp/ed.text.editor.cheat.sheet.pdf https://catonmat.net/ftp/ed.text.editor.cheat.sheet.pdf