Lindy Mayfield wrote:
Linux kernel has about 19,5 million lines of code I saw, and a distribution is 
about 200 million lines of code.

My googlinging didn't tell me much about z/OS.  Any even close semi-ballpark idea how 
many lines of code are in the z/OS operating system?  (Or even a "standard" 
serverpac distro?)
<snip>

What's a "line of code"? That's a serious question. Is a line of assembler equivalent to a line of PLX, C, REXX, Java, ISPF DTL? etc. Are comment lines included in the count? Does everyone use the same metrics? I think there is approximately no hope of getting a valid comparison of operating system size based on a LOC count (with your favorite prefix before "LOC").

Perpaps the best thing to compare is the size of the binaries on disk, but even that begs the question of "what's an executable"? Do ISPF panels, for example, count?

--
John Eells
IBM Poughkeepsie
[email protected]

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