How to Make Bash Scripts Self‑Terminate Cleanly with Traps and Kill

This article explains why background loops in Bash scripts survive script termination, shows how they become orphaned under init/systemd, and provides robust techniques—including kill, killall, pkill, and trap handlers—to ensure all child processes are terminated when the script exits.

Bashscript self‑terminationtrap

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How to Make Bash Scripts Self‑Terminate Cleanly with Traps and Kill