trap

Defines and activates handlers to be run when the shell receives signals or other conditions.

Documentation

• trap [EN] @ GNU Bash Reference Manual

• bash -c 'help trap'
• man 1 'bash' [EN]

• Signals [EN] @ Wikipedia
• Signals [DE] @ Wikipedia

Syntax

trap [PARAMETER ...] [[COMMAND] SIGNAL ...]

Parameters

-l

Print a list of signal names and their corresponding numbers.

-p

Display the trap COMMANDs associated with each SIGNAL.