AI engineering glossary · Computing foundations
What is signal?
Signal: A short message the operating system delivers to a process to notify it of an event or ask it to act, such as terminate or interrupt. Programs can catch some signals to shut down cleanly.
Signal: an example
Pressing Ctrl+C sends an interrupt signal that stops a running Python script.
Related terms
More Computing foundations terms
Where you learn it
Signal is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.