Modifying the configuration
Now that we have a basic configuration file created, it should be modified to support the hardware you have present in the system. For details on how to find out which configuration options you need to select to achieve this, please see Chapter 7. Here we will show you how to select the options you wish to change.
There are three different interactive kernel configuration tools:
a terminal-based one called menuconfig, a GTK+-based graphical one called
gconfig, and a QT-based graphical one
called xconfig.
Console configuration method
The menuconfig way of
configuring a kernel is a console-based program that offers a way to
move around the kernel configuration using the arrow keys on the
keyboard. To start up this configuration mode, enter:
$ make menuconfigYou will be shown a screen much like Figure 4-1.

Figure 4-1. Initial menuconfig screen
The instructions for navigating through the program, and the meanings of the different characters, are shown at the top of the screen. The rest of the screen containing the different kernel configuration options.
The kernel configuration is divided up into sections. Each
section contains options that correspond to a specific topic. Within
those sections can be sub-sections for various specialized topics. As
an example, all kernel device drivers can be found under the main menu
option Device Drivers. To enter that menu, move ...