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Unix interview questions part 20
Unix interview questions part 20
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Total Questions: 20
1. Which of the following command is used for switching files?
A. :e
B. e!
C. !e
D. !r
Show Correct Answer
Correct Answer is :
:e
2. For returning back to the original file after switching we can use:
A. :e!
B. ctrl-^
C. :e#
D. ctrl-^ and :e#
Show Correct Answer
Correct Answer is :
ctrl-^ and :e#
3. When multiple filenames are used with vi, we can switch to next file using ___ command.
A. new
B. :n
C. :rew
D. :prev
Show Correct Answer
Correct Answer is :
:rew
4. We can move back to the previous file using ____ command.
A. new
B. :n
C. :rew
D. :prev
Show Correct Answer
Correct Answer is :
:rew
5. :r !date inserts the output of date command in our file.
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
6. To split the screen into multiple windows, we can use ____ command.
A. :sp
B. :new
C. :n
D. :r
Show Correct Answer
Correct Answer is :
:sp
7. To create a new window, ____ can be used.
A. :sp
B. :new
C. :n
D. :r
Show Correct Answer
Correct Answer is :
:n
8. To remove all other windows except the current one, which of the following command is used?
A. :on
B. :new
C. :n
D. :r
Show Correct Answer
Correct Answer is :
:on
9. vi editor has ____ named buffers.
A. 2
B. 4
C. 26
D. 5
Show Correct Answer
Correct Answer is :
26
10. To restore a number of recent deletions, numbered buffers are used.
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
11. For restoring the contents of numbered buffers efficiently, ___ command is used.
A. .
B. $
C. :nb
D. :q
Show Correct Answer
Correct Answer is :
.
12. The technique of restoring line deletions from numbered buffers is applicable only to entire lines.
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
13. vi used ___ to enter control characters.
A. ctrl-w
B. ctrl-v
C. ctrl-d
D. esc
Show Correct Answer
Correct Answer is :
ctrl-v
14. To append contents of buffer to file01, we can use __________
A. : w >> file01
B. :r > file01
C. :w > file01
D. :r >> file01
Show Correct Answer
Correct Answer is :
: w >> file01
15. Which of the following is an invalid command?
A. :r file01
B. :e file01
C. :e#
D. :w # file01
Show Correct Answer
Correct Answer is :
:w # file01
16. What is UNIX?
A. an operating system
B. a text editor
C. programming language
D. software program
Show Correct Answer
Correct Answer is :
an operating system
17. In which language UNIX is written?
A. JAVA
B. Python
C. C++
D. C
Show Correct Answer
Correct Answer is :
C
18. Which of the following is not a feature of UNIX?
A. multitasking
B. multiuser
C. portability
D. easy to use
Show Correct Answer
Correct Answer is :
easy to use
19. 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
D. System Calls
Show Correct Answer
Correct Answer is :
Graphical user interface
20. 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 āCā language
D. Linux is also known as a version of UNIX
Show Correct Answer
Correct Answer is :
UNIX was not written in āCā language
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