Distinguishing sys.exit() and os._exit() for Program Termination in Python

In Python, sys.exit() and os._exit() serve distinct purposes for terminating a program. The former raises a SystemExit exception, which can be caught and handled, while the latter immediately halts the interpreter without cleanup. When sys.exit() is called within a try-except block that catches SystemExit, the program does not terminate immedia ...

Posted on Fri, 10 Jul 2026 17:55:33 +0000 by patch2112