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Memory protection in software systems is a mechanism that prevents incorrect or unauthorized access to memory regions. This is important for the stability and security of the application.

In iOS and other systems, memory protection is implemented through:

• Dividing memory into regions with different access rights (read, write, execute).
• Using virtual memory, where each process is allocated its own address space.
• Access control mechanisms that prevent one process from reading or modifying another process's memory.

For example, if an application tries to access memory outside its allocated range, the operating system interrupts execution with an error (e.g., segmentation fault). This prevents data corruption and enhances security.