Tag: operating systems

Quizzes (99) Questions (1929)

Questions Related to operating systems

Multiple choice technology operating systems

What is the difference between for i in "$@" and for i in "$*" ?
  1. "$@" takes the entire list and seperates it into special arguments whereas "$*" takes the entire list as one argument with spaces between them
  2. "$*" takes the entire list and seperates it into special arguments whereas "$@" 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
Reveal answer Fill a bubble to check yourself
A Correct answer
Full explanation
Multiple choice technology operating systems

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
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation