A program that you point at the username of someone on a networked system. It uncovers that person’s full name, most recent log-in time, and other information. It’s also used as a verb, meaning to apply the program to the user name.
— Computer ScienceA Unix command that provides information about users logged in; and it can also be used to retrieve the .plan and .project files from a user’s home directory.
— Computer ScienceA gesture by a programmer to another person that has ripped off his code without even recognition.
— Computer Science