Tag: operating systems

Questions Related to operating systems

What stream usually outputs error messages to the screen?

  1. stdout

  2. stderr

  3. stderr2

  4. stdouterr


Correct Option: B
  1. The $* shell variable

  2. The $@ shell variable

  3. Redirected input

  4. Redirected output


Correct Option: B
  1. Prevent two jobs being sent to the same printer simultaneously

  2. Keep track of all the print jobs in the spooling directory

  3. Assign job numbers to new print jobs

  4. Record the owners of print jobs


Correct Option: C