Trivia: Windows 11 is the first version of any Microsoft operating system for IBM PCs, IBM compatibles, PC compatibles, or PCs shipping without the command line editor EDLIN in any edition.
Why? Because there's no 32-bit x86 edition of Windows 11.
@cyberspice MS-DOS edlin was inherited from QDOS edlin, which was a clone of CP/M ed, not a clone of Unix ed. CP/M ed was heavily inspired by Unix ed, yes, but CP/M ed had a different user interface making for a very different user experience.
@arielmt which explains why UNIX ed is still going. Fair enough…