aadressruumid

Aadressruumid, also known as address spaces, are distinct regions of memory allocated to a process by an operating system. They provide a way to isolate processes from each other and from the operating system itself, enhancing security and stability. Each process typically has its own address space, which includes the code, data, stack, and heap segments. The operating system manages these address spaces, ensuring that one process cannot directly access the memory of another.

Address spaces can be categorized into two main types: user space and kernel space. User space is where user applications run, and it is isolated from the kernel space, which is where the operating system's core functions reside. This separation helps protect the system from malicious or faulty applications.

Virtual memory is often used to implement address spaces. It allows the operating system to map the process's address space to physical memory, enabling the use of more memory than is physically available. This is done through a technique called paging, where the operating system divides memory into fixed-size blocks called pages.

Address spaces are crucial for multitasking operating systems, as they allow multiple processes to run concurrently without interfering with each other. They also facilitate the use of shared libraries and dynamic memory allocation, which are common in modern software development.