Obtaining User and System Information
This section covers utilities that display who is using the system, what most of the users are doing, and how the system is running. If you are running GNU/Linux on a workstation that is not connected to a network, you may want to skip the rest of this chapter. (If you are set up to send and receive e-mail, read “E-Mail” on page 87).
To find out who is using the computer system, you can use one of several utilities that vary in the details they provide and the options they support. The oldest utility, who, produces a list of users who are logged in on your system, the terminal connection each person is using, and the time the person logged in.
Two newer utilities, w and finger, show more detail, such as each ...
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