hi all
how to terminate command eecution process.
can you please show me the way
thank you
could you please elaborate your question.
Termination needs a signal to be delivered to the process via kernel which in turns delivers signals.
It could be either through the kill command or the key strokes which generate the required signal.
Also you could search the forum as this topic had been discussed many times 
The exit command causes a shell script or command line process to stop executing. ctrl/c also usually stops and executing command when it is not responding.
But Matrix is right - your problem is not very clear.