Unix MCQ Questions and Answers Quiz

31. The expression expr -2 % 7 evaluates to

  1. 2
  2. -2
  3. 0.285

32. The expression expr -7 % 2evaluates to

  1. 1
  2. -1
  3. -3.5

33. The father of all processes is

  1. Root
  2. Sh
  3. Sched
  4. Init

34. The file for which we do not have write permission can be deleted using the command

  1. rm-i file
  2. rm-I file
  3. rm-r-file
  4. rm-f-file

35. The incoming mail of user with the login name aa12 is stored in the file

  1. /usr/spool/mail/aa12
  2. /usr/aa12/mbox
  3. /spool/mail/aa12
  4. /usr/aa12/.mbox

36. The message of the day is stored in a file called

  1. /etc/profile
  2. /etc/motv
  3. .profile
  4. Autoexec.bat

37. The minimum number of links for any directory file are

  1. 3
  2. 4
  3. 1
  4. 2

38. The output of command banner Unix shell programming would be

  1. A banner showing unix,shell and programming words displayed in separate lines
  2. A banner showing unix shell in one single line
  3. Nothing
  4. A banner showing unix shell programming in one line.

39. The permission 746 can be represented as

  1. rwxrwx- -x
  2. rw- -w-r-x
  3. rwxr-xr-x
  4. rwxr- -rw–

40. The process id numbers of the processes vhand,bdflush,sched and init are

  1. 1,2,3 and 4
  2. 2,3,0 and 1
  3. 3,4,1 and 2
  4. 0,1,2 and 3
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