trap - is used to execute a command when the shell receives any signal is called `trap`.

syntax $ trap [options] "[arguments]" [signals]

To display the list of all commands associated with each condition $ trap

To display the list of all signal names with number $ trap -l

To Set `trap` command with signal number of SIGUP, SIGQUIT and SIGKILL $ trap 'echo Trap command executed' 1 3 9 $ press Ctrl+C $ ^CTrap command executed $ trap

To Set trap command for ERR and EXIT $ trap 'rm file.txt' err exit $ trap

regards, T.Dhanasekar