Unix Quiz

1. The original Unix shell was written by __________.

Stephen R. Bourne
Stephen R. Korn
Stephen R. C.
Stephen Watson

2. Which of the following is true about shell?

A Shell provides you with an interface to the Unix system.
Shell gathers input from you and executes programs based on that input.
Shell is an environment in which we can run our commands, programs, and shell scripts.
All of the above

3. What is true about array variable in Shell?

Shell supports a different type of variable called an array variable.
array variable can hold multiple values at the same time.
Arrays provide a method of grouping a set of variables
All of the above

4. what is the syntax to access array values?

${array_name[index]}
#{array_name[index]}
$${array_name[index]}
$[array_name{index}]

5. Unix provide multitasking and multiuser environment?

TRUE
FALSE
Unix provide multitasking but not multiuser
Unix provide multiuser but not multitasking

6. Which of the following is known as heart of the unix operating system?

Shell
Kernel
Commands
Files

7. How many prompt shell has?

4
2
3
5

8. What is the use of -e file test operator in korn shell?

Checks if file is a directory
Checks if file is an ordinary file as opposed to a directory or special file
Checks if file exists
Checks if file is executable

9. Which of the following operator is not supported in Bourne shell?

Arithmetic Operators
Boolean Operators
Character operators
File Test Operators

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

&
%
-
$