Linux

 #!/bin/bash
 
 echo -e " Parent continued process 1"
 echo -e " Parent continued process 2"
 echo -e " ** Kicking off a child process C1** "
 ./child1 &
 t1=$!
 echo -e " Parent continued process 3"
 echo -e " Parent continued process 4"
 echo -e " ** Kicking off a child process C2** "
 ./child2 &
 t2=$!
 
  wait $t1
  if [ $? -ne 0 ]
  then
    echo " Child Process C1 failed !!! "
  fi
 
  wait $t2
  if [ $? -ne 0 ]
  then
    echo " Child Process C2 failed !!! "
  fi
 
 exit 0

 
 #!/bin/bash
 echo -e " in child process 1 "
 sleep 2
 echo -e " in child process 2 "
 sleep 2
 echo -e " in child process 3 "
 sleep 7
 exit 0 # success

  #!/bin/bash
 echo -e " in child process 4"
 echo -e " in child process 5"
 echo -e " in child process 6"
 exit 1 # failed