What is the purpose of a screen reader? A. It reads text displayed on the screen to blind or visually impaired people. B. It reads the parameters of the attached monitors and creates an appropriate X...

The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section? A. It is placed in curly brackets as in Section SectionName ...

Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)

Which file used by XDM specifies the default wallpaper? A. /etc/X11/xdm/Xsetup B. /etc/X11/xdm.conf C. /etc/X11/xdm/Defaults D. /etc/X11/defaults.conf

Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.) A. The user issuing the command must be ...

What command displays all aliases defined in the current shell? (Specify the command without any path information)

What is the purpose of the file /etc/profile? A. It contains the welcome message that is displayed after login. B. It contains security profiles defining which users are allowed to log in. C. It cont...

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders? A. SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type; ...

Which of the following commands lists all defined variables and functions within Bash? A. env B. set C. env -a D. echo $ENV

Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records? A. CASE B. FROM C. WHERE D. IF