Looking for answers? Westonci.ca is your go-to Q&A platform, offering quick, trustworthy responses from a community of experts. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

Which of the following is true about a signal in Linux?
O It is focused on external communications to the system.
O It is much like an event action in other programming languages.
O Remote access is based on telnet.
O It only happens when the system boots up