"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..."