Tag: operating systems

Questions Related to operating systems

which among the following is not a type of awk
technology operating systems

  1. awk

  2. gawk

  3. nawk

  4. mawk

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Correct Option: D

sed is a
technology operating systems

  1. Command to check process status

  2. Command to list the files

  3. Stream editor

  4. Command to set env variables

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Correct Option: C

Command to set the environment variables
technology operating systems

  1. senv

  2. printenv

  3. setenv

  4. setupenv

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Correct Option: C

which command is used to move to one directory up in the hierarchy
technology operating systems

  1. cd ..

  2. cd

  3. Cd …

  4. Cd ~

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Correct Option: A

ps is used to check
technology operating systems

  1. page width

  2. processes currently running

  3. processes terminated

  4. page height

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Correct Option: B

sed can be used to
technology operating systems

  1. list the files

  2. check the process status

  3. substitute one word with another

  4. copy the contents of one file to another

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Correct Option: C

A file can be created using
technology operating systems

  1. touch

  2. vi

  3. cat

  4. a&b

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Correct Option: D

Permissions on a file can changed using
technology operating systems

  1. chmod

  2. changemode

  3. cmd

  4. changem

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Correct Option: A

sed -n option
technology operating systems

  1. prints the output

  2. does not print the output

  3. changes the output

  4. None of the above

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Correct Option: B

chmod +x filename
technology operating systems

  1. provides the execute permission

  2. removes the execute permission

  3. provides write permission

  4. removes read permission

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Correct Option: A