A brief history of the admins time
Again a rather short entry. Quite often one question is which privileged tasks the admins did on the system. Since 11.4 there is a simple command to find out. The information of this command is yet another usecase of the auditing subsystem.
-v option yields some additional information like the hostname and the working directory.
Do you want to learn more?
docs.oracle.com - man page of admhist (8)