SSaguninsagunwrites.hashnode.dev·1d ago · 5 min readUser Mode vs Kernel Mode in Operating SystemsA computer runs many different types of software. Some programs are ordinary applications, such as text editors and web browsers. Other software, especially the operating system kernel, needs much gre00
SSaguninsagunwrites.hashnode.dev·1d ago · 4 min readWhat Are System Calls?Applications need the operating system to perform many tasks. For example, a program may need to create a file, allocate memory, create a process, or communicate with a device. But applications normal00
