GitHub - spencertipping/shell-tutorial: How to write a UNIX shell, with a lot of background

UNIX shells are pretty much unique in the ease with which they let you manipulate the state of your system. Doing things which are trivial in a shell script requires a fair amount of code in most other languages, and that's probably in part why the shell has been such an enduring tool for the past few decades. But such historical appreciation simply breeds complacency; it's time for something bett