Diru is a Change Directory (cd) utility for augmenting Unix Shell functionality. Diru uses server/client architecture, which enables sharing of directory info between terminal sessions. Each Server serves one Project, which is a tree of related directories where user wants to jump around and which has a logical root. There can be multiple Servers, if user needs to access multiple Projects concurrently. Client queries directory info from Server and directory change is pushed to Shell in order to change the current directory within Shell.