Tag: operating systems

Questions Related to operating systems

The user's current path is /root/Desktop/abc. If he runs $ cd ../../../ what will be the user's HIS current path?
technology operating systems

  1. /

  2. /root/

  3. /root/Desktop

  4. /root/Desktop/abc

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Correct Option: A

From where can the passwd file be accessed?
technology operating systems

  1. /usr/bin

  2. /etc/passwd

  3. /sbin/passwd

  4. /root/Desktop

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Correct Option: B

What is the correct syntax of 'find the passwd file'?

technology operating systems

  1. Find-name /etc

  2. Find/-name passwd

  3. Find -uid root -gid root -name passwd

  4. Find passwd

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Correct Option: A

If umask is 0022, what is the by default permission of a file?
technology operating systems

  1. 644

  2. 655

  3. 666

  4. 777

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Correct Option: A

What is the name of the file where groups are added?

technology operating systems

  1. /etc/grp

  2. /etc/groups

  3. /etc/group

  4. /usr/bin/group

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Correct Option: C

What is the correct format to open the file /etc/test into the vi editor?
technology operating systems

  1. /etc/test vi

  2. vi /etc/test

  3. edit /etc/test

  4. None of these

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Correct Option: B

Which of the following options delete a current line in vi editor?

technology operating systems

  1. Del

  2. Dd

  3. DD

  4. Delete

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Correct Option: A

Which of the following syntax creates a softlink?

technology operating systems

  1. $ ln -s /etc/test test

  2. $ ln -softlink /etc/test test

  3. $ ln /etc/test test

  4. $ ln -slink /etc/test test

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Correct Option: A

What does the head command do?
technology operating systems

  1. It shows the first 20 lines

  2. It shows the first 10 lines

  3. It shows the first 50 lines

  4. It shows the first 5 lines

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Correct Option: B

Command for custom oriented output on PS command is?
technology operating systems

  1. ps -o

  2. ps -l

  3. ps -c

  4. ps -u

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Correct Option: A