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Thanks for the information about trap command. I'm stuck in a specific situation here. I have a code snippet.

#!/bin/ksh
set -vx
PID=$$
echo "parent PID =$$"
echo "calling process1"
....

thanks for your response. But i found what i was looking for.
by $! we can capture the pid for the processes ran in background.

Hi,

I'm looking for a method where we can capture the PID and if possible the progress of child process especially the ones running in background.

can anyone help?