difference between AIX shell scripting and Unix shell scripting.

Yes, our rules state:
(4) Do not 'bump up' questions if they are not answered promptly. No duplicate or cross-posting and do not report a post where your goal is to get an answer more quickly.

First, as haroonec, this user posted an earlier thread and this thread. Then the user created a second id, me_haroon, and created yet another thread.

I will close the first two threads and ban the first user id. me_haroon, please read our rules and observe them in the future.