Answer Posted / sandeep

normal user

permissions.

666 Default permission
022 Umask value
---------
644 Actual permission

Root user

666 Default permission
002 U mask Value
--------
664 Actual value

Explain process management system calls in linux?

538

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

1925

What are system calls used for process management in linux?

579

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

2136