Chapter 4. Issuing Linux Commands
This chapter shows you how to begin using your Linux system. It shows you how to boot your system, log in, issue commands, log out, and shut down your system. It also explains how to use the man command, which provides help on using other commands. The chapter describes how Linux organizes data as filesystems, directories, and files and how you can work with removable media, such as diskettes. It describes how to query the status of your system. And, finally, it explains how to use pico, a simple text editor.
The System Use Cycle
This section introduces you to the cycle of Linux system use. If you’re a user of Microsoft Windows, you’re accustomed to a pattern of system use that forms a cycle:
Boot the system
Identify yourself to the system
Use the system
Shutdown the system
The cycle of Linux system use is similar, even though you perform the tasks somewhat differently.
Booting the System
Most Linux users boot their system from its hard drive. Of course, if you made a boot diskette during system installation, you can use it to boot your system.
First, you must prepare your system for booting. If your system is running, you must shut it down by following the proper procedure for shutting down the operating system that’s active. For example, if you’re running Microsoft Windows, click Start → Shut Down and select the Shut Down option in the Shut Down dialog box. Press OK to begin the system shutdown. After a few seconds, Windows displays a screen ...