I find it good in general but don't like the idea of reusing the names like `ls` and so on which is confusing with the option to invoke the real `ls`. Since the

I find it good in general but don't like the idea of reusing the names like `ls` and so on which is confusing with the option to invoke the real `ls`. Since they have single-character names already, a simple `l` would be one way to solve this. I'm interested to see a solution to error handling (within multiple pipes!) and subprocess management as well but couldn't find much in the docs.