Answer Posted / satish kharat

When successful exec will not return, it will start
executing the new program
However if there is an- error exec returns -1 and sets the
errno to the appropriate value

I would like to know whether Simado and Setu products are they EPBX or not ?

2354

Explain process management system calls in linux?

1041

What are system calls used for process management in linux?

1097

what are different ways the context switch happens from user to kernel space or vice-versa ?

2628