"Rootsh is a shell that logs everything a root user sees on his terminal. This is useful if you have more than one system administrator for a server and you want a record of exactly what any given user does. Despite the fact that the latest rootsh release was in March 2005, it still does its job great.
"Download the rootsh source code and unpack it in /usr/local folder with a command like tar xvfz rootsh-1.5.2.tar.gz. At this point you must decide some important things before you start building the binaries..."