tuhdo

Because something much better than CtrlP exists: http://tuhdo.github.io/helm-intro.html

Demo: I can search my desired file in linux kernel source with more than 40k files in an instant: http://tuhdo.github.io/helm-intro.html#sec-28

If you want to find the equivalent, use ido + flx + vertical-ido.

Really? You should checkout my guide: http://tuhdo.github.io/helm-intro.html and see if Helm is ugly or not. Nothing like Helm (except itself) ever exists. Check "Why Helm is powerful" section: http://tuhdo.github.io/helm-intro.html#sec-28

Emeacs is an OS. It just needs its own kernel.

You can start with learning embedded system from Edx: https://www.edx.org/course/utaustinx/utaustinx-ut-6-01x-embe...

Then, learn Hardware Software Interface from Coursera: https://www.coursera.org/course/hwswinterface