trap

Automatically execute commands after receiving signals by processes or the operating system. Can be used to perform cleanups for interruptions by the user or other actions. More information: https://manned.org/trap.

• List available signals to set traps for:
  trap -l
• List active traps for the current shell:
  trap -p
• Set a trap to execute commands when one or more signals are detected:
  trap 'echo "Caught signal {{SIGHUP}}"' {{SIGHUP}}
• Remove active traps:
  trap - {{SIGHUP}} {{SIGINT}}