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Enter a command. For example: pypy, gxl2gv, nudoku, exec, qr, gitk.

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}}