Application software includes all the programs you apply to a task, such as a word processing, programs, spreadsheets—payroll and inventory programs, and games. System software includes the programs ...

System programming involves low-level tasks like operating systems and firmware, using languages such as C++. Application programming focuses on user-facing software like web browsers and games ...

The system call interface is the central mechanism for userspace programs to interact across their operating system enforce process isolation. It provides the services of the operating system to the ...

System calls are “gates” into the kernel implemented with software interrupts. Software interrupts are interrupts produced by a program and processed in kernel mode by the operating system. The ...