On a system running the KDE Display Manager, when is the /etc/kde4/kdm/Xreset script automatically executed?

For accessibility assistance, which of the following programs is an on-screen keyboard?

You have just set up the X Display Manager as your default display manager. What file should you edit to change the default background for it?

Why is the xhost program considered dangerous to use?

What is the purpose of the Sticky Keys feature in X?

Your senior administrator asked you to change the default background of his machine, which uses XDM. Which file would you edit to achieve this?

X is running okay but you’re concerned that you may not have the right color depth set. What single command will show you the running color depth while in X?

What keyword is missing from this code sample of a shell script?
____ i in *.txt; do
echo $i
done

You are looking into a new script you received from your senior administrator. In the very first line you notice a #! followed by a file path. This indicates that:

What benefit does an alias in bash provide?