Operating System (3140702) MCQs

MCQs of Unix/Linux Operating System

Showing 21 to 30 out of 115 Questions
1 2 3 4 5 6
21.
Which command is used to change the ownership of a file?
(a) chmod
(b) change
(c) ch
(d) chown
Answer:

Option (d)

22.
What does the following command do? $ vi file001
(a) Open file named file001
(b) Edit file named file001
(c) Delete a file named file001
(d) Open file if it exists else creates a new file
Answer:

Option (d)

23.
In which language UNIX is written?
(a) JAVA
(b) Python
(c) C++
(d) C
Answer:

Option (d)

24.
Which of the following is not a feature of UNIX?
(a) Multitasking
(b) Multiuser
(c) Portability
(d) Easy to use
Answer:

Option (d)

25.
Which of the following is not a part of all the versions of UNIX?
(a) Kernel and Shell
(b) Commands and Utilities
(c) Graphical User Interface - GUI
(d) System Calls
Answer:

Option (c)

26.
Which of the following is not true about UNIX?
(a) Many people can use a UNIX based computer at the same time; hence UNIX is called as a multiuser system
(b) A user can run multiple programs at the same time; hence UNIX is called a multitasking environment
(c) UNIX was not written in ‘C’ language
(d) Linux is also known as a version of UNIX
Answer:

Option (c)

27.
What are Commands?
(a) Specific instructions for performing a particular task
(b) Part of the operating system
(c) Part of the shell
(d) Special instructions
Answer:

Option (a)

28.
Which command is used for extracting the details of the operating system?
(a) cd
(b) echo
(c) uname
(d) wc
Answer:

Option (c)

29.
Which of the following is not a valid option of uname?
(a) -a
(b) -s
(c) -v
(d) -z
Answer:

Option (d)

30.
Which command is used to display the documentation of commands in UNIX?
(a) help
(b) search
(c) whatis
(d) man
Answer:

Option (d)

Showing 21 to 30 out of 115 Questions
1 2 3 4 5 6