A system programming language has low - level features that allow a software interface to write in an external device. Some computer uses computer languages such as PL/S, PL/I. This is an example of System Programming or Language programming.
Explanation:
The system language is a language used for system programming such as writing system software, which requires different development approaches when compared with application software.
System programming is the activity of the computer system. The characteristic of system programming when application programming produces software is that application that provides services to create software platforms.
Every application has access to specific opened port. If you only make a exception for the specific application only that application can bypass the firewall.
