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operating systems Online Quiz - 77

Description: operating systems Online Quiz - 77
Number of Questions: 20
Created by:
Tags: operating systems
Attempted 0/20 Correct 0 Score 0
  1. firewall.cpl

  2. winfirewall.cpl

  3. winfwall

  4. firewall


Correct Option: B

WindowsFirewall

  1. firewall

  2. firewall.cpl

  3. winfirewall.cpl

  4. winfwall


Correct Option: A
  1. Windows Logo + E

  2. Windows Logo + D

  3. Windows Logo + Z

  4. None


Correct Option: A
  1. Windows Logo + E

  2. Windows Logo + D

  3. Windows Logo + M

  4. None


Correct Option: B
  1. Ctrl + S

  2. Windows Logo + D

  3. Windows Logo

  4. None


Correct Option: C

What is the shortcut to search for a file or folder?

  1. Ctrl + S

  2. F3

  3. Shift + F8

  4. None


Correct Option: B
  1. diskpartition

  2. diskpart

  3. diskpartition.msc

  4. diskpartition.cpl


Correct Option: B
  1. test $a -eq $b

  2. test $a -equal $b

  3. test $a = $b

  4. sh -c test $a == $b


Correct Option: C
  1. test sleep 1

  2. sleep 1 && echo $0

  3. sleep 1 & echo $!

  4. sleep 1 & echo $$


Correct Option: C
  1. tree=maple; export tree; sh -c "echo $tree"

  2. tree=maple; export $tree; sh -c "echo $tree"

  3. $tree=maple; echo $tree

  4. export tree = maple; echo $tree


Correct Option: A
  1. "[email protected]" takes the entire list and seperates it into special arguments whereas "$*" takes the entire list as one argument with spaces between them

  2. "$*" takes the entire list and seperates it into special arguments whereas "[email protected]" takes the entire list as one argument with spaces between them

  3. Both statements will behave in the same way

  4. None of the above


Correct Option: A

while getopts a:bc arg ; docase $arg ina ) echo "$OPTIND" ;;b ) echo "$OPTIND" ;;c ) echo "$OPTIND";;esacdoneWhat does the colon(':') after 'a' in the first line signify ?"

  1. The getopts command ensures that a parameter is passed for -b option

  2. It signifies that u have to either specify -a option or you have to specify both -b and -c options

  3. The ":" has no effect in the command

  4. The getopts command ensures that a parameter is passed for -a option


Correct Option: D
  1. grep '\' filename

  2. grep \\ filename

  3. grep '\\' filename

  4. grep "\\" filename


Correct Option: A,B,D
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