Tag: operating systems

Questions Related to operating systems

What is the commnad to display current working directory ?
technology operating systems

  1. cd

  2. pwd

  3. cd .

  4. cd ..

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Correct Option: B

what is the octal notation for the symbolic expression o+rw?

technology operating systems

  1. 646

  2. 464

  3. 644

  4. 462

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Correct Option: A

what is the command to move all files from the parent directory to the current directory

technology operating systems

  1. mv ../*

  2. mv ../* .

  3. ../*. mv

  4. ../* mv

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Correct Option: B

Which of these is not a type of unix?

technology operating systems

  1. Linux

  2. Xenix

  3. SCO unix

  4. Mac

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Correct Option: D

what character in unix is treated as a command separator?
technology operating systems

  1. ;

  2. :

  3. `

  4. "

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Correct Option: A

System files are stored in which of these directories?
technology operating systems

  1. /dev

  2. /sbin

  3. /tty

  4. /spool

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Correct Option: B

Bash shell is a type of bourne shell.
technology operating systems

  1. True

  2. False

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Correct Option: A

What command shows information about processes without terminals?
technology operating systems

  1. ps -a

  2. ps

  3. ps -x

  4. ps -f

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Correct Option: C

BSD is an acronym for what?

technology operating systems

  1. Berkeley Software Distribution

  2. Berkel Software Distro

  3. Berkeley Systems Distribution

  4. Bourne Systems Distribution

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Correct Option: A

Which Shell variable indicates search path for commands?
technology operating systems

  1. IFS

  2. PATH

  3. SHLVL

  4. TERM

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Correct Option: B