[kazinator]

No thank you. Put your personal bin first in PATH, and use /usr/bin or /bin for referring to the shadowed programs.

You can list your personalized tooling using ~/bin/[Tab] for whatever value there is in that.

[kazinator]

I don't understand why you would shadow the system utilities with your own, yet not want to use identical names, so that you have to keep remembering to use the comma.

If you don't like the system's grep (e.g. Solaris grep or whatever) but prefer your own (e.g. GNU grep), why wouldn't you just want that to be "grep".