Control Signal Trapping - Execute Commands on Events | Online Free DevTools by Hexmos

Control Signal Trapping with the Trap command. Manage process signals and execute specific commands on different events. Free online tool, no registration required.

trap

Execute a command upon an event. More information: https://www.gnu.org/software/bash/manual/bash.html#index-trap.

List the available event names (e.g. SIGWINCH):

trap -l

List the commands and the names of the expected events:

trap

Execute a command when a signal is received:

trap 'echo "Caught signal {{SIGHUP}}"' {{SIGHUP}}

Remove commands:

trap - {{SIGHUP}} {{SIGINT}}

Ignore a signal:

trap '' {{SIGINT}}

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