operating systems Online Quiz - 63

Description: operating systems Online Quiz - 63
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0

I know linux can multitask -- how do I switch between programs?

  1. fg,bg, &

  2. switch

  3. fg,bg

  4. None

Correct Option: A

It is possible to redirect the output of a process to more than one source

  1. True

  2. False

  3. True but needs root permission

  4. None

Correct Option: A

Commands tar & dd

  1. dd allows block sizes to be defined, tar does not allow

  2. tar allow block sizes to be defined while dd does not allow

  3. both tar & dd allow block sizes to be modified

  4. both tar & dd do not allow block sizes to be modified

Correct Option: C

fdisk command is

  1. Used to create file systems

  2. Used to create harddisk partitions

  3. Used to create root file system alone

  4. None

Correct Option: B

The option not allowed in test command

  1. -d

  2. -l

  3. -u

  4. -a

Correct Option: B
  1. A free implementation of PostScript

  2. A printing management tool

  3. A program for converting files to PostScript

  4. A free interpreter of PostScript

Correct Option: D

Which one of the following lines is correctly formatted as the last line of a /etc/printcap file?

  1. :mx#2:

  2. :mx#2

  3. :mx#2\

  4. None

Correct Option: A

How to mount a file system?

  1. fsck

  2. fsmount

  3. mount

  4. mountfs

Correct Option: C

User's passwords are generally stored in

  1. /etc/passwd

  2. /var/passwd

  3. /etc/password

  4. /var/password

Correct Option: A
  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

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.

  1. while until

  2. until, while

  3. repeat, while

  4. None

Correct Option: A
  1. cat testfile >redirfile

  2. cat testfile >>redirfile

  3. cat testfile 1> redirfile

  4. cat testfile 2> redirfile

Correct Option: B

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

  1. function_name() {command-list }

  2. function_name ( ) { }

  3. function name (command list ) {

  4. None

Correct Option: A

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

  1. The owner of the job

  2. The root user

  3. Anyone

  4. Anyone who can submit jobs to the print queue

Correct Option: B

tar can be used to write on to floppy disks

  1. True

  2. False

Correct Option: B
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