Chapter 2. Using Basic OS Commands

This chapter explains some basic operating system commands that help you find information about users and the system environment. It also describes several ways to create and edit files, combine commands and redirect output, display manual pages, and locate basic disk information.

Finding User Information

When administering systems, you often need to find out who is using the system and what they are doing. This section describes the commands— w, who, finger, rusers -l, whodo, id—that you can use to find information about users.

Determining Who Is Logged In to a System (w, who, finger, rusers -l, whodo)

You can use any one of the following commands (w, who, finger, rusers -l, or whodo) to find out who is logged in ...

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