External Debugger
An external debugger is a standalone software tool used to inspect, analyze, and control the execution of a program running in a separate process or environment. It allows developers to set breakpoints, step through code, examine variables, and monitor memory usage to identify and fix bugs. These tools are often used for debugging compiled applications, system-level software, or programs where integrated development environment (IDE) debugging is insufficient.
Developers should learn external debuggers when working with low-level systems, embedded devices, or complex applications where traditional IDE debugging tools are unavailable or inadequate. They are essential for debugging crashes, memory leaks, and performance issues in native code, such as C/C++ programs, kernel modules, or multi-process systems, providing deeper insights into runtime behavior.