The Vi Editor - Novell LINUX ENTERPRISE SERVER 10 SP2 - INSTALLATION AND ADMINISTRATION Installation Manual

halt [options]
To avoid loss of data, you should always use this program to shut down your system.
reboot [options]
Does the same as halt except the system performs an immediate reboot.
clear
This command cleans up the visible area of the console. It has no options.
18.3.3 For More Information
There are many more commands than listed in this chapter. For information about
other commands or more detailed information, the O'Reilly publication Linux in a
Nutshell is recommended.

18.4 The vi Editor

Text editors are still used for many system administration tasks as well as for program-
ming. In the world of Unix, vi stands out as an editor that offers comfortable editing
functions and is more ergonomic than many editors with mouse support.
18.4.1 Operating Modes
NOTE: Display of Keys
In the following, find several commands that you can enter in vi by just pressing
keys. These appear in uppercase as on a keyboard. If you need to enter a key
in uppercase, this is stated explicitly by showing a key combination including
the Shift key.
Basically, vi makes use of three operating modes: insert mode, command mode, and
extended mode. The keys have different functions depending on the mode. On start-up,
vi is normally set to the command mode. The first thing to learn is how to switch between
the modes:
376 Installation and Administration