>Diskeeper Lite was what I had in mind. It didn't defrag the directories.

And in any case was not built-in.

In Windows 2000 the built-in defragger was actually a "stripped down" version of Diskkeeper, maybe you are confusing NT 4.0 with Windows 2000?

Some references here:

https://msfn.org/board/topic/131017-msoft-uses-diskeeper-as-...

>Jerry pournelle used to rave about the golden bow defragger

Yes, that would be (for those not familiar with the matter) Vopt, the article on Wikipedia quotes Jerry Pournelle:

https://en.wikipedia.org/wiki/Vopt

Now (since early 2016) "abandonware/free" for all:

https://web.archive.org/web/20160816083906/http://www.golden...