$ ./tester
Enter quit to stop
enter a cmd line> ls -l -a

Command line: ls -l -a

  0  #ls#
  1  #-l#
  2  #-a#
run in the background is false

enter a cmd line> yo ho ho &

Command line: yo ho ho &

  0  #yo#
  1  #ho#
  2  #ho#
run in the background is true

enter a cmd line>      a              b              c     def    ghijk    l mn  op


Command line:        a              b              c     def    ghijk    l mn  op

  0  #a#
  1  #b#
  2  #c#
  3  #def#
  4  #ghijk#
  5  #l#
  6  #mn#
  7  #op#
run in the background is false

enter a cmd line> a b c d e f g h i j k l m n o p q r s t u v w x y z

Command line: a b c d e f g h i j k l m n o p q r s t u v w x y z

  0  #a#
  1  #b#
  2  #c#
  3  #d#
  4  #e#
  5  #f#
  6  #g#
  7  #h#
  8  #i#
  9  #j#
 10  #k#
 11  #l#
 12  #m#
 13  #n#
 14  #o#
 15  #p#
 16  #q#
 17  #r#
 18  #s#
 19  #t#
 20  #u#
 21  #v#
 22  #w#
 23  #x#
 24  #y#
 25  #z#
run in the background is false

enter a cmd line> pwd &

Command line: pwd &

  0  #pwd#
run in the background is true

enter a cmd line> quit