Tag: operating systems

Questions Related to operating systems

How to mount a file system?

technology operating systems

  1. fsck

  2. fsmount

  3. mount

  4. mountfs

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Correct Option: C

User's passwords are generally stored in
technology operating systems

  1. /etc/passwd

  2. /var/passwd

  3. /etc/password

  4. /var/password

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Correct Option: A

Linux uses four basic file types

technology operating systems

  1. executable, text, documents, directories

  2. directories, scripts, executables, normal files

  3. Normal files, special files, hidden files, device files

  4. ordinary files, directories, symbolic links, block and character device files

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Correct Option: D

The ______ loop executes as long as the condition returns an exit status of zero, whereas the _______ loop executes unless the condition returns a zero exit status.
technology operating systems

  1. while until

  2. until, while

  3. repeat, while

  4. None

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Correct Option: A

Which of these commands redirects the output of cat testfile to redirfile without overwriting the contents of redirfile?
technology operating systems

  1. cat testfile >redirfile

  2. cat testfile >>redirfile

  3. cat testfile 1> redirfile

  4. cat testfile 2> redirfile

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Correct Option: B

Which of the following are syntax that can be used to declare a function?
technology operating systems

  1. function_name() {command-list }

  2. function_name ( ) { }

  3. function name (command list ) {

  4. None

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Correct Option: A

Who can manipulate the order of print jobs in a print queue?
technology operating systems

  1. The owner of the job

  2. The root user

  3. Anyone

  4. Anyone who can submit jobs to the print queue

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Correct Option: B

tar can be used to write on to floppy disks

technology operating systems

  1. True

  2. False

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Correct Option: B

what do SUID bits do
technology operating systems

  1. They ensure that the associated program runs in root

  2. They ensure that the associated program runs automatically with the owner's permissions

  3. They make the file executable

  4. They add the program to the /bin directory

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Correct Option: B

What does the read command do while it waits for input?

technology operating systems

  1. Tests for command-line arguments

  2. Shifts arguments to the left

  3. Exits the program

  4. Creates a pause in the program

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Correct Option: D