10 lines per developer day - this is so outdated it should be disregarded entirely. Not much is gained from writing articles around this "10 lines a day" assertion unless you're writing something about computing history.
Maybe this was true when people were writing operating systems in assembly language - which is the time and context in which The Mythical Man Month was written.
Lines of code per day really is a pretty meaningless measure but having said that there is at least some truth to it, in that any developer who is writing a typical 21st century application and getting only 10 lines of code per day written, should really examine if they are in the right job.
Maybe this was true when people were writing operating systems in assembly language - which is the time and context in which The Mythical Man Month was written.
Lines of code per day really is a pretty meaningless measure but having said that there is at least some truth to it, in that any developer who is writing a typical 21st century application and getting only 10 lines of code per day written, should really examine if they are in the right job.