Emacs doesn't really fit with the Unix philosophy. Emacs came from the MIT AI Lab and ITS, not Bell Labs and Unix - it got included with most Unix distribution

Emacs doesn't really fit with the Unix philosophy. Emacs came from the MIT AI Lab and ITS, not Bell Labs and Unix - it got included with most Unix distributions later. Editors that do fit with the Unix philosophy (they were written by its original developers) are ed sam and acme.