That software also often has bugs. It's usually a bit more likely that they are documented, though, and unlikely to cause a significant failure on their own.

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chii 2 days ago | parent [-]

building around bugs that you know exists but dont know where is also a part of it. Reliability in the face of bugs. The mere existence of bugs isn't enough to call the software buggy, if the outcome is reliable (e.g., a triple module redundancy).

	▲	eru 2 days ago \| parent [-]
		For a silly example, see how Python programs have plenty of bugs, but they still (usually) don't allow for the kind of memory exploits that C programs give you. You could say that Python is designed around preventing these memory bugs.