What is the difference between SIGINT and SIGTERM?

What is the difference between SIGINT and SIGTERM?

SIGINT is a program interrupt signal, which is sent when an user presses Ctrl+C. SIGTERM is a termination signal, which is sent to a process to request its termination, but it can be caught and interpreted or ignored by the process.

Can SIGTERM be ignored?

The SIGTERM signal is a generic signal used to cause program termination. Unlike SIGKILL , this signal can be blocked, handled, and ignored.

Is Control C SIGTERM or SIGINT?

The SIGINT signal is sent to a process by its controlling terminal when a user wishes to interrupt the process. This is typically initiated by pressing Ctrl + C , but on some systems, the “delete” character or “break” key can be used. The SIGKILL signal is sent to a process to cause it to terminate immediately (kill).

What is SIGINT used for?

SIGINT involves collecting foreign intelligence from communications and information systems and providing it to customers across the U.S. government, such as senior civilian and military officials.

What does SIGINT do Linux?

SIGINT is the signal sent when we press Ctrl+C. The default action is to terminate the process. However, some programs override this action and handle it differently.

What is SIGTERM in Linux?

SIGTERM (signal 15) is used in Unix-based operating systems, such as Linux, to terminate a process. The SIGTERM signal provides an elegant way to terminate a program, giving it the opportunity to prepare to shut down and perform cleanup tasks, or refuse to shut down under certain circumstances.

Does the CIA do SIGINT?

While protecting our nation through the collection of signals intelligence (SIGINT) as authorized by law and policy, the Central Intelligence Agency (CIA), referred to herein as the “Agency,” is committed to protecting the personal information of all people regardless of their nationality.