View the Exhibit. What would be the output of the script if it is executed using the default shell interpreter?

• A. Welcome $i times
• B. Welcome 0 timesWelcome 1 timesWelcome 2 timesWelcome 3 timesWelcome 4 timesWelcome 5 times
• C. Welcome 5 timesWelcome 4 timesWelcome 3 timesWelcome 2 timesWelcome 1 timesWelcome 0 times
• D. Welcome 1 timesWelcome 2 timesWelcome 3 timesWelcome 4 times

The free command reports slightly less memory than the actual total memory available. Why is it so?

• A. The multiple instances of a program like shell, being run, consumes a portion of the main memory that cannot be freed.
• B. The swap space occupies a portion of the main memory that can never be freed.
• C. The kernel remains in the main memory while the computer is in operation and the memory it occupies can never be freed.
• D. The zombie processes that exist in the process table occupy a slightly less portion of the main memory that can only be freed on reboot.

A printer has been connected to the single available port. You execute the following command at the prompt:
echo "This is a simple test" > /dev/lp0
What can you infer from the command?

• A. The text is saved in the /dev/lp0 file.
• B. The text is simply echoed on to the standard output device.
• C. The text will be printed by the printer attached to/dev/lp0.
• D. The text will not be printed because the printer has not been mentioned explicitly on the
  command line.

What are the extra features that the Bourne Again Shell (bash) has compared to the Bourne Shell (sh)? (Choose all that apply.)

• A. read values from the terminal
• B. combine STDOUT and STDERR
• C. expansion of positional parameters beyond $9 with ${num}
• D. background exit status
• E. allows functions and variables with the same name
• F. file name completion and command history

You have logged in to a newly installed Oracle Enterprise Linux machine in the graphical mode. Which default desktop will be used after you log in?

• A. GNOME
• B. KDE
• C. TWM
• D. Xpde
• E. Xfce
• F. IceWM