Debugging in operating systems refers to the process of identifying, diagnosing, and fixing errors or bugs that occur in the OS kernel, device drivers, system services, or other low-level components. These bugs can lead to system crashes, performance degradation, security vulnerabilities, or unexpected behavior.
Unlike debugging user-level applications, debugging an OS is more complex due to its privileged nature, direct interaction with hardware, and the need to maintain system stability during the debugging process.