It would probably be a shocker to you, but there are still companies operating on cobol. Because the software does what it was supposed to do and does it well.

It would probably be a shocker to you, but there are still companies operating on cobol. Because the software does what it was supposed to do and does it well. If no functional changes are required, software should be just fine running for decades. Not every company is able to spend on continous development. Often times rewriting something ends up a big cost that never pays for itself.