Sudo is a Unix program used to raise a user's privilege level to accomplish tasks that require administrative privileges. It allows a user to temporarily execute commands as the root user.
Microsoft's "Rights elevator" patent describes a way to "enable a user to elevate his or her rights," which of course is what "sudo" does.
To continue reading the rest of the story, please go to Does New Microsoft Patent Infringe On Unix Program Sudo? on our sister site, Dark Reading.