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operating systems Online Quiz - 30

Description: operating systems Online Quiz - 30
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0

Command for listing local files after connecting to FTP machine

  1. ls -lrt

  2. ls

  3. !dir

  4. dir /p


Correct Option: C

What is soft mount?

  1. NFS file system with minimum access

  2. NFS access for root

  3. NFS file system without access

  4. No wait time for NFS mount.


Correct Option: D

In Solaris, what is the command used to find the package of a particular file?

  1. pkgfind

  2. pkgchk

  3. info

  4. pkginfo


Correct Option: B

How to list open files in UNIX

  1. Using lsof command

  2. Using strings command

  3. using touch command

  4. Using ls command


Correct Option: A

How many prompts available in UNIX system

  1. 4

  2. 3

  3. 1

  4. 2


Correct Option: D

What is the command to open paint?

  1. paint

  2. winpaint

  3. pbrush

  4. msbrush


Correct Option: C

what is the command to see mouse properties?

  1. mouse

  2. mse.cpl

  3. main.cpl

  4. mse


Correct Option: C

what is the command to open game controllers?

  1. game.cpl

  2. game control

  3. joy control

  4. joy.cpl


Correct Option: D

What is the user id of super user?

  1. 1

  2. 0

  3. 2

  4. null


Correct Option: B

Which is the command used to create a file with zero bytes

  1. vi

  2. touch

  3. cat

  4. ls


Correct Option: B

How to find the 51th record of a file containing 100 records in unix

  1. head -n 51 filename |tail -1

  2. head -51 |tail -1

  3. sed -n 51p

  4. All of the above


Correct Option: D

Write a command to display a file’s contents in various formats?

  1. oc -db file_name

  2. oc -cdh filename

  3. od -cbo file_name

  4. od -cbd file_name


Correct Option: D

What is the command to display all the files in the current directory?

  1. echo *

  2. ll

  3. list

  4. cd


Correct Option: A

Write a command to kill the last background job?

  1. Kill $!

  2. Kill [email protected]

  3. Kill $%

  4. Kill $&


Correct Option: A

Which of the following commands is not a filter?

  1. pg

  2. man

  3. cat

  4. head


Correct Option: B

Name the data structure used to maintain file identification?

  1. dir

  2. page

  3. inode

  4. istr


Correct Option: C
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