COHERENT help
This page displays the COHERENT help information for trap.
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trap -- Execute command on receipt of signal trap [command] [n ...] The shell executes command on receipt of signal n .... If command omitted, the shell resets traps on given signals to original values. If command is a null string, given signals are ignored. If n is zero, the shell executes command when it exits. With no arguments, it prints currently set traps. The shell executes trap directly.