Tutorial Exercises Week 6

1. What does the command dmesg do?
2. What's in the file /var/log/messages?
3. What's in the file /var/log/Xorg.0.log?
4. What does the command xrandr do?
5. What is the Unity GUI?
6. What are the differences between Gnome2 and Gnome3?
7. What are the differences between Gnome and KDE?
8. What is XFCE?

9. The file /etc/motd contains the "message of the day" which is shown to each user when they login. Unfortunately this for text based logins, which s usually only for telnet or ssh sessions. There is an X Windows command which will show a message of the day. What is it? Download and install it. What changes to you need to make to a user's configuration so that they see it when they do a GUI login?