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21 lines
477 B
Markdown
21 lines
477 B
Markdown
# trap
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> Automatically execute commands after receiving signals by processes or the operating system.
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> Can be used to perform cleanups for interruptions by the user or other actions.
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- List available signals to set traps for:
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`trap -l`
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- List active traps for the current shell:
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`trap -p`
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- Set a trap to execute commands when one or more signals are detected:
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`trap 'echo "Caught signal {{SIGHUP}}"' {{SIGHUP}}`
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- Remove active traps:
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`trap - {{SIGHUP}} {{SIGINT}}`
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