On Sun, 2012-04-08 at 20:08 -0400, Richard Stallman wrote: > When the user sets > the environment, it frobs PATH to refer to each bin/ directory. > > Does that mean PATH is a list of hundreds of such directories? > > As I understand it, yes.
Alfred, You doing it wrong. > > Does having so many dirs in PATH make it noticeably slower to run a > command? > > I wonder why they don't populate /usr/bin and ~/bin with the > installed commands. Is it just to make it "functional", > or is there a practical reason? nix maintains symlinks to current "virtual" environment in ~/.nix/bin If 3 of 4 versions of emacs installed you can choose one of them as 'emacs' and other can be available as 'emacs-*'.
