Which of the following is true about following command
ls /bin /usr/bin | sort | uniq | tee /dev/tty >/dev/null
Select one:
a. Command will generate error and error will be displayed on screen
b. Command will be successful but nothing will be displayed
c. Command will be successful and unique file names from /bin /usr/bin will be displayed on screen
d. Command will generate error but nothing will be displayed on screen