Explore topic-wise MCQs in Unix.

This section includes 358 Mcqs, each offering curated multiple-choice questions to sharpen your Unix knowledge and support exam preparation. Choose a topic below to get started.

1.

So that users do not have to remember IP numbers, names are associated with the IP numbers. This association is the job of the

A. IPN
B. DNS
C. INS
D. TCP
Answer» C. INS
2.

The letters TCP/IP stand for

A. Telecommunication Control Program/Internet Program
B. Transmission Control Protocol/Internet Protocol
C. Teleprocessing Conversion Program/Internet Program
D. None of the above
Answer» C. Teleprocessing Conversion Program/Internet Program
3.

Which of the following is a possible IP number?

A. 124.16.35
B. 126.18.A25.42
C. 122.14.6.42
D. 256.12.0.41
Answer» D. 256.12.0.41
4.

A Web page is usually sent

A. In one big chunk of data
B. In frames
C. In blocks
D. Broken up into small packets
Answer» E.
5.

The "rsh" program can be used to

A. execute several commands at once
B. execute only a single command
C. allow access to a remote machine without a password
D. execute any Unix command
Answer» C. allow access to a remote machine without a password
6.

Two UNIX systems may or may not use the same set of system calls.

A. True
B. False
C. May be
D. Can't say
Answer» C. May be
7.

Ethernet networks which use coaxial cable

A. Use hubs
B. Do not use hubs
C. Are expensive
D. The cable is flexible
Answer» C. Are expensive
8.

UNIX is

A. A multi-user system
B. Name of a file in the root directory
C. A multi-task system
D. All of these
Answer» E.
9.

We can use man command for displaying the documentation of man itself.

A. True
B. False
C. May be
D. Can't say
Answer» B. False
10.

history command display the log of recently used commands.

A. True
B. False
C. May be
D. Can't say
Answer» B. False
11.

An example of a LAN network

A. Groups of geographically dispersed machines
B. Computers in a single building networked together
C. Several LANs spread over several states networked together
D. The internet
Answer» C. Several LANs spread over several states networked together
12.

Pine is an email program integrated with this text editor.

A. Pico
B. Vi
C. Emacs
D. Ed
Answer» B. Vi
13.

This person is credited with developing the WWW

A. Bill Gates
B. Steve Jobs
C. Steve Wozniak
D. Tim Berners-Lee
Answer» E.
14.

USENET is

A. Like a large network of bulletin boards
B. An on-line newspaper
C. A web browser
D. An email program
Answer» B. An on-line newspaper
15.

The free software foundation was established because of

A. BSD
B. Linux
C. GNU project
D. Microsoft
Answer» D. Microsoft
16.

The operating system controls

A. the hard drive
B. the processor
C. printers
D. all of the above
Answer» E.
17.

Which are the major branches in the Unix family tree?

A. AIX and Solaris
B. BSD and SYS V
C. Linux and BSD
D. Sys V and Solaris
Answer» C. Linux and BSD
18.

The man credited with starting Linux is

A. Linus Torvalds
B. Ken Thompson
C. Linux Smith
D. Richard Stallman
Answer» B. Ken Thompson
19.

The part of the Unix operating system that interacts with the hardware is called

A. GNU project
B. The kernal
C. The shell
D. Linux
Answer» C. The shell
20.

Most Ethernet networks use the

A. Bus topology
B. Ring topology
C. Hub topology
D. Diamond topology
Answer» D. Diamond topology
21.

Which of the following commands cannot be issued through "rsh"?

A. Vi
B. Ls
C. Cp
D. Rm
Answer» B. Ls
22.

A machine set up to access the internet can locate the Domain Name Servers through instructions set up in

A. The network interface card
B. The router
C. A configuration file
D. None of the above
Answer» D. None of the above
23.

Which of the following people were not major factors in the development of Unix?

A. A. Dennis Ritchie
B. Ken Thompson
C. Bill Gates
D. Linus Torvalds
Answer» D. Linus Torvalds
24.

"bash" is an example of a

A. kernel
B. shell
C. security system
D. file manager
Answer» C. security system
25.

The shell does the following in Unix

A. Is the user interface
B. Provides security to files
C. Talks to the hardware
D. Is the file manager
Answer» B. Provides security to files
26.

FreeBSD is

A. Not really free
B. Free
C. Both b and d
D. Includes the source code
Answer» D. Includes the source code
27.

Two or more users can have same login name in the output of who command.

A. True
B. False
C. May be
D. Can't say
Answer» B. False
28.

One of the first software from the GNU project was

A. VI editor
B. C-shell
C. EMACS editor
D. AWK program
Answer» D. AWK program
29.

For interrupting a command, we can use _____

A. ctrl-f
B. esc
C. ctrl-h
D. ctrl-c
Answer» E.
30.

The letters BSD represent

A. Berkeley School Design
B. Boston System Design
C. Berkeley Software Development
D. Boise School Definition
Answer» D. Boise School Definition
31.

Unix is portable because it is written in

A. Java
B. Assembly language
C. English
D. C language
Answer» E.
32.

Which topology is increasing in popularity?

A. Ring
B. Bus
C. Star
D. Hub
Answer» E.
33.

Unix is gaining some popularity again because of

A. U.S. space program
B. The Internet
C. Microsoft Windows
D. IBM
Answer» C. Microsoft Windows
34.

Kernel is not involved

A. When a read operation is done
B. When a pressed key is echoed on to the screen
C. In resource allocation
D. None of the above
Answer» E.
35.

Which of the following statements best explains a process?

A. It is a program
B. It is a program in execution
C. It is an instance of a program in execution
D. It is a program that uses system calls
Answer» D. It is a program that uses system calls
36.

The World Wide Web has exploded in popularity

A. Since the early 1970's
B. Since the early 1990's
C. Since the early 1980's
D. None of the above
Answer» C. Since the early 1980's
37.

Which of the following is not true about the "router".

A. Uses very little machine CPU cycles
B. Determines the destination of packets
C. Most popular routers are Cisco routers
D. Ordinary personal computers can be made into routers
Answer» B. Determines the destination of packets
38.

Telnet, rlogin, rsh, and rcp are loosing popularity because

A. They lack good network security features
B. They are difficult to use
C. They are old
D. Both b and c
Answer» B. They are difficult to use
39.

In an Ethernet network, which kind of cable is both affordable and widely used?

A. thin coaxial
B. thick coaxial
C. twisted pair
D. fiber optic
Answer» D. fiber optic
40.

To end and send a message in "mail"

A. Press Esc
B. Press Alt-c
C. Press Ctrl-d
D. Press Enter
Answer» D. Press Enter
41.

The standard output device for Unix is

A. the printer
B. the monitor
C. the keyboard
D. the mouse
Answer» C. the keyboard
42.

Command options

A. Are required for commands to work
B. Can be combined with targets.
C. Are preceded by a dash
D. All of the above.
Answer» E.
43.

The last character of the "bash" prompt is usually

A. $
B. #
C. %
D. ?
Answer» B. #
44.

Which is not an Unix web browser?

A. Netscape
B. Mozilla
C. Microsoft internet explorer
D. Lynx
Answer» D. Lynx
45.

Which of the following is not an Unix email program?

A. Outlook
B. Pine
C. Mail
D. Elm
Answer» B. Pine
46.

There is redirection for

A. Input
B. Output
C. Appending to a file
D. All the above
Answer» E.
47.

Which of the following is not a component of a user account?

A. home directory
B. password
C. group ID
D. kernel
Answer» E.
48.

Links are

A. like pipes
B. point to other files
C. dummy filenames in the directory
D. both b and c
Answer» E.
49.

The letters "bash" stand for

A. Born after shell
B. Bourne again shell
C. Berkeley admin shell
D. None of the above
Answer» C. Berkeley admin shell
50.

To get to the on-line reference manual, you use this command

A. Manual
B. Online
C. Man
D. None of the above
Answer» D. None of the above