Unix Quiz

1. Which command is used to show what`s in the printer queue?

lpstat
lpsta
lptat
lps

2. Which of the boolean operator is supported in bourne shell?

and
or
not
All of the above

3. What is the use of pgm < file command?

Output of pgm is redirected to file
Program pgm reads its input from file
Output of pgm is appended to file
Takes output from one program, or process, and sends it to another

4. What will be the output of $date?

Yesterday date
Current date
Current date and time
Tomarrow date and time

5. The directory in which you find yourself when you first login is called your ______________.

Root directory
Shell directory
Home directory
Kernel directory

6. The name of a variable can contain ________.

numbers
letters
underscore character
All of the above

7. What is the syntax of break command that can also be used to exit from a nested loop?

break
break loop
break n
break n+i

8. Which symbol is used for taking input from standard input?

&
%
-
$

9. Which of the following command is used to display the environment variables only?

sh
set
env
var

10. Unix, development starting in the 1970s at which Labs?

AT labs
Bell labs
Unix labs
Fortive labs