So, COBOL is lindy. Not because it's more efficient but because a complete rewrite is still more expensive and risky. Though I hear now and then that parts of t

So, COBOL is lindy. Not because it's more efficient but because a complete rewrite is still more expensive and risky. Though I hear now and then that parts of those systems are being rewritten gradually (usually in C# as COBOL runs on the .NET framework). It's just a matter of time.