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This article explains how to use the Linux kill command with SIGTERM, SIGQUIT, SIGKILL, and SIGSTOP signals to gracefully terminate, debug, force‑stop, or pause processes while minimizing data loss and providing practical command examples.
macOS 14.4 introduces a change that forces the kernel to send SIGKILL when a thread in write mode accesses protected memory, causing Java processes (Java 8‑22) on Apple Silicon (M1, M2, M3) to terminate abruptly, with no rollback option.
A SIGKILL crash indicates the OS forcibly terminated an iOS app, which cannot be caught directly, but MetricKit (iOS 14+) can automatically collect diagnostic payloads after restart, allowing developers to extract termination reasons, stack traces, understand codes like 0x8badf00d, and address common causes such as main‑thread watchdog timeouts and deadlocks.