forking a child process and kill its parent to show that child process has init() as its parent

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# 1  
Old 11-15-2011
Lightbulb forking a child process and kill its parent to show that child process has init() as its parent

Hi everyone

i am very new to linux , working on bash shell.
I am trying to solve the given problem

1. Create a process and then create children using fork
2. Check the Status of the application for successful running.
3. Kill all the process(threads) except parent and first child (if the Application have threads).
4. Now kill the parent, check the status of child process which will be orphan now and check that it will taken by init process.
5. Kill the application

i need lead in this script .. help
# 2  
Old 11-15-2011
Show your efforts so far, thanks.
# 3  
Old 11-17-2011
---------PARENT SCRIPT (have to run in background sh &)------------------


--------- child script -----------------

ps -eaf | tail

for i in `ps -ef | grep | grep -v grep | awk '{print $2}'`
	 echo " pid = $i"
	ps -eaf | tail

for j in `ps -ef | grep child | grep | aek '{print $2}'`
	echo " pid = $j"

pid = $`ps -o user, pid , ppid -ax | grep parent |awk '{print $2}'`

for k in $`ps - o user , pid , ppid -ax`
 if [$pid = $i,$j]
	echo "parent or child process"
     kill -9 $pid

what i am trying is running is -
running a child script in parent script
and in child script i want to collect all the process pid's that are initiated from
and kill them all except for parent process and child process..

after that i am trying to display on terminal that when i will kill the parent process , child process will be having init as it parent

Moderator's Comments:
Mod Comment How to use code tags

Last edited by Franklin52; 11-17-2011 at 03:31 AM.. Reason: Please use code tags
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