User environment configuration 5–29
Unit summary: User environment configuration
Topic A In this topic, you learned that shell and environment variables store frequently used
values for each user on a system. You viewed the variables with the set and env
commands. You created custom variables and exported them. You also created
command aliases. Finally, you modified user profile files to reload your variables and
aliases each time you open a terminal window or shell prompt.
Topic B In this topic, you learned that modern windowing environments, such as GNOME and
KDE, simplify and automate most video configuration tasks. You can use the Screen
Resolution Settings, Appearance, and Screensaver applications to modify your GUI
environment. You can also use the Mouse and Keyboard applications to configure your
1 What command do you use to fine-tune video settings?
A Screen Resolution Preferences
2 True or false? You must be logged on as root to change the screen resolution
False. You can make such changes as a normal user.
3 True or false? When you change the screen resolution settings, those settings affect
only your account.
4 True or false? You must edit a configuration file to set the maximum color depth
supported by your hardware.
True, though the correct value should be automatically detected and configured when you install
5 In X Windows terminology, which term describes the CRT or LCD device sitting
on your desk?
6 In X Windows terminology, which term describes the graphics adapter?