This has already been done in ADA. It was designed for better performance than the Cygwin shell. https://archive.fosdem.org/2019/schedule/event/ada_shell/ http

This has already been done in ADA. It was designed for better performance than the Cygwin shell. https://archive.fosdem.org/2019/schedule/event/ada_shell/ https://archive.fosdem.org/2019/schedule/event/ada_shell/ https://github.com/AdaCore/gsh https://github.com/AdaCore/gsh You could also use the busybox port of the Almquist shell, if you can refrain from most bashisms. https://frippery.org/busybox/ https://frippery.org/busybox/