If you used it from the start, as I did, you would have the muscle memory to compose and edit world class literature, at light speed, and preview with a vague s

If you used it from the start, as I did, you would have the muscle memory to compose and edit world class literature, at light speed, and preview with a vague semblance to the printed version on your terminal. As far as editing C under System V Unix, it would never compare to the power of vi, cribbed from a BSD machine and recompiled by a bootstrapped C compiler and a home made termcap file.