Text Mode Installation Program User Interface

The Red Hat Enterprise Linux text mode installation program uses a screen-
based interface that includes most of the on-screen widgets commonly found
on graphical user interfaces. Figure 2.1, “Installation Program Widgets as
seen in Boot Loader Configuration”, and Figure 2.2, “Installation Program
Widgets as seen in Disk Druid”, illustrate the screens that appear during the
installation process.

Note

While text mode installations are not explicitly documented, those using the text
mode installation program can easily follow the GUI installation instructions. One
thing to note is that manipulation of LVM (Logical Volume Management) disk
volumes is only possible in graphical mode. In text mode it is only possible to view
and accept the default LVM setup.

Window
Windows (usually referred to as dialogs in this manual) appear on your
screen throughout the installation process. At times, one window may overlay
another; in these cases, you can only interact with the window on top. When
you are finished in that window, it disappears, allowing you to continue
working in the window underneath.

Checkbox
Checkboxes allow you to select or deselect a feature. The box displays either
an asterisk (selected) or a space (unselected). When the cursor is within a
checkbox, press Space to select or deselect a feature.

Text Input
Text input lines are regions where you can enter information required by the
installation program. When the cursor rests on a text input line, you may enter
and/or edit information on that line.

Text Widget
Text widgets are regions of the screen for the display of text. At times, text
widgets may also contain other widgets, such as checkboxes. If a text widget
contains more information than can be displayed in the space reserved for it, a
scroll bar appears; if you position the cursor within the text widget, you can
then use the Up and Down arrow keys to scroll through all the information
available. Your current position is shown on the scroll bar by a # character,
which moves up and down the scroll bar as you scroll.

Scroll Bar
Scroll bars appear on the side or bottom of a window to control which part of
a list or document is currently in the window's frame. The scroll bar makes it
easy to move to any part of a file.

Button Widget
Button widgets are the primary method of interacting with the installation
program. You progress through the windows of the installation program by
navigating these buttons, using the Tab and Enter keys. Buttons can be
selected when they are highlighted.

Cursor
Although not a widget the cursor is used to select (and interact with), a
particular widget. As the cursor is moved from widget to widget, it may cause
the widget to change color, or the cursor itself may only appear positioned in
or next to the widget.

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