For what it’s worth, I recently retired from a 30 year career as a developer and while I’m aware of all three of those things, I’ve never used any of them in or

For what it’s worth, I recently retired from a 30 year career as a developer and while I’m aware of all three of those things, I’ve never used any of them in or out of work. And I’ve hosted my own web server these last 20 years.