laboursonline – MCQs, Mock Tests | Unix/Lunux Linux MCQ Unit 1

Who developed Linux?

1. Dennis Ritchie
2. Linus Torvalds
3. Ken Thompson
4. Prof. Andrew S. Tannenbaum

✅ Correct Answer: 2

In which year Linux was developed?

1. 1989
2. 1990
3. 1991
4. 1992

✅ Correct Answer: 3

The trial version of Linux is called

1. Alpha
2. Beta
3. Gamma
4. Stable

✅ Correct Answer: 2

SA is also known as root user or

1. Supervisor
2. Multi user
3. Single user
4. Super user

✅ Correct Answer: 4

Who is primarily responsible for the smooth functioning of the system?

1. System Advisor
2. System coordinator
3. System Manager
4. System Administrator

✅ Correct Answer: 4

Which has excellent support for older hardware?

1. Unix
2. Linux
3. Minix
4. Xenix

✅ Correct Answer: 2

What is the other name of new shell?

1. Baby shell
2. Junior shell
3. Child shell
4. Assistant shell

✅ Correct Answer: 3

In Linux hard disk partition, hda2, a stands for the ___ (A)

1. first hard drive
2. first partition
3. second partition
4. second hard drive

✅ Correct Answer: 1

Which is the core of the operating system?

1. shell
2. kernel
3. command
4. script

✅ Correct Answer: 2

Which among the following interacts directly with system hardware?

1. Shell
2. Commands
3. Kernel
4. Applications

✅ Correct Answer: 3

The system calls in UNIX is written using which language

1. c c++
2. Assembly
3. Language
4. Fortan

✅ Correct Answer: 1

Unix is which kind of Operating System?

1. Multi User
2. Multi Processes
3. Multi Tasking
4. All of the mentioned

✅ Correct Answer: 1

Which command is used to display the operating system name

1. os
2. unix
3. kernel
4. uname

✅ Correct Answer: 4

Which command is used to display the unix version

1. uname -r
2. uname -n
3. uname -t
4. kernel

✅ Correct Answer: 4

Which option of ls command used to view file inode number

1. -l
2. -o
3. -a
4. -i

✅ Correct Answer: 4

How do you get help about the command “cp”?

1. help cp
2. man cp
3. cd
4. None of the mentioned

✅ Correct Answer: 2

Which command is used to display disk consumption of a specific directory

1. du
2. ds
3. dd
4. dds

✅ Correct Answer: 1

Which command is used to extract a column from a text file

1. paste
2. get
3. cut
4. tar

✅ Correct Answer: 3

Which option of rm command is used to remove a directory with all its sub directories

1. -b
2. -o
3. -p
4. -r

✅ Correct Answer: 4

Which option of rm command is used to remove a directory with all its sub directories

1. -b
2. -o
3. -p
4. -r

✅ Correct Answer: 4

Command used to count number of character in a file is

1. grep
2. wc
3. count
4. cut

✅ Correct Answer: 2

Which command is used to display all the files including hidden files in your current and its subdirectories ?

1. ls -aR
2. ls -a
3. ls -R
4. ls -l

✅ Correct Answer: 1

Which of the following commands can be used to change default permissions for files and directories at the time of creation

1. chmod
2. chwon
3. umask
4. chgrp

✅ Correct Answer: 3

Which of the following commands will allow the user to search contents of a file for a particular pattern

1. touch
2. grep
3. find
4. ls

✅ Correct Answer: 2

The command syntax to display the file ‘sample.txt’ one page at a time is

1. man sample.txt>more
2. cat sample.txt<more
3. cat sample.txt|more
4. None of the mentioned

✅ Correct Answer: 3

Which command gives the first byte where the difference is in the file1 & file2?

1. Diff
2. cmp
3. comm
4. Ls-a

✅ Correct Answer: 2

When mv f1 f2 is executed which file’s inode is freed?

1. f1
2. f2
3. new inode will be used
4. no inode is freed

✅ Correct Answer: 2

Deleting a soft-link

1. Deletes the destination file
2. Deletes both the softlink and the destination file
3. Deletes just the softlink
4. backup of the destination is automatically created

✅ Correct Answer: 3

Who is primarily responsible for the smooth functioning of the system?

1. System Advisor
2. System coordinator
3. System Manager
4. System Administrator

✅ Correct Answer: 4

Which has excellent support for older hardware?

1. Unix
2. Linux
3. Minix
4. Xenix

✅ Correct Answer: 2

What is the other name of new shell?

1. Baby shell
2. Junior shell
3. Child shell
4. Assistant shell

✅ Correct Answer: 3

In Linux hard disk partition, hda2, a stands for the ___

1. first hard drive
2. first partition
3. second partition
4. second hard drive

✅ Correct Answer: 1

Where do the users arrive after entering exit in Linux system?

1. Login screen
2. Internet
3. Logout screen
4. Login prompt

✅ Correct Answer: 4

Single dot (.) with cd refers to ___

1. Change directory
2. Created directory
3. Current directory
4. Parent directory

✅ Correct Answer: 3

Which command is called as the end-of-file command?

1. Ctrl+ V
2. Ctrl+ B
3. Ctrl+ D
4. Ctrl+ C

✅ Correct Answer: 3

Which of the following is called as the piping symbol?

1. _
2. |
3. ~
4. !

✅ Correct Answer: 2

What was the first version of Linux?

1. 1.0
2. 0.11
3. 1.01
4. 0.10

✅ Correct Answer: 2

What should be the minimum length of a password?

1. 5
2. 6
3. 7
4. 8

✅ Correct Answer: 2

Who can change the password of any user?

1. Everyone
2. SA
3. Supervisor
4. End-user

✅ Correct Answer: 2

Which standard of Unix was followed by Linux?

1. Byte code
2. ANSI
3. ASCII
4. Unicode

✅ Correct Answer: 2

Linux systems allow many users to work

1. Simultaneously
2. Constantly
3. Separately
4. None of the above

✅ Correct Answer: 1

All directories are stored under one main directory called ____

1. Server
2. Home
3. Folder
4. Root

✅ Correct Answer: 4

The full name of directory is called as

1. (A) Physical name
2. Path name
3. Primary name
4. Proper name

✅ Correct Answer: 2

The prompt of the other users is

1. @
2. %
3. #
4. $

✅ Correct Answer: 4

Which program combines Linux commands to solve the given problems?

1. Compiler
2. OS
3. Shell
4. Kernel

✅ Correct Answer: 3

What is the syntax for mounting CD-ROMs?

1. # mount /mnt/cdrw
2. # mount / mnt/cdrom
3. # mount/ mnt/cd
4. # mount/mnt/cdr

✅ Correct Answer: 2

What is the space between end of the line and end of the screen is called as?

1. Dead space
2. White space
3. Blank space
4. Empty space

✅ Correct Answer: 1

The Vi editor, makes the keyboard to play a ___ role.

1. Single
2. Multiple
3. Dual
4. Solo

✅ Correct Answer: 3

In what mode of editing, the keyboard behaves as a normal typewriter with the exception?

1. Input mode
2. Command mode
3. Editing mode
4. Formatting mode

✅ Correct Answer: 1

End of file is referred by

1. fd 0
2. fd 1
3. fd 2
4. fd 3

✅ Correct Answer: 1

Which command takes data from one command to another command?

1. Cat
2. Pipe
3. More
4. Tee

✅ Correct Answer: 2

Can the password and the user name be the same?

1. Sometimes
2. Yes
3. No
4. Not always

✅ Correct Answer: 2

What is the command that saves the files when the file actually exists?

1. NN
2. DD
3. ZZ
4. YY

✅ Correct Answer: 3

We do not have the control over

1. Command
2. Constant
3. Variable
4. None

✅ Correct Answer: 1

Collection of files is called as a

1. Directory
2. Root
3. Field
4. Home

✅ Correct Answer: 1

How much of memory space is occupied by Linux?

1. 4 MB
2. 6 MB
3. 8 MB
4. 12 MB

✅ Correct Answer: 1

The file name can be up to ___ character.

1. 253
2. 254
3. 255
4. 256

✅ Correct Answer: 4

The prompt of the root user is

1. @
2. #
3. %
4. $

✅ Correct Answer: 2

Linux default shell is (A) BAH shell (B) SH shell (C) ASH shell (D) BASH shell Linux default shell is

1. BAH shell
2. SH shell
3. ASH shell
4. BASH shell

✅ Correct Answer: 1

Help for all commands is available at

1. Man command
2. Help command
3. Join command
4. Tput command

✅ Correct Answer: 1

The option is influenced by the ___ preceding it.

1. File
2. Folder
3. Directory
4. Command

✅ Correct Answer: 4

Which of the following is used to append the contents of a file?

1. =
2. >>
3. <
4. >

✅ Correct Answer: 2

The ___ process does not allow any unauthorized person to access any of our directories or files.

1. Confirmation
2. Analyzing
3. Verification
4. Substantiation

✅ Correct Answer: 3

Which indicate you to find the mode you are working?

1. Indicator on
2. Beep sound
3. Status prompt
4. Prompt

✅ Correct Answer: 2

Who are placeholders to store values?

1. Constants
2. Variables
3. OS
4. Shell

✅ Correct Answer: 2