>Where did you get that statistic from?   

IBM Canada.
They don't like to publicise it, since it looks bad to sell machines to run 
their code.

I did verify it, empirically, using STROBE on some production jobs.

For example:
We do not write code to open a file, alllocate buffers, and actually read or 
write data.
The requests are OPEN -- IBM code does the work.
READ (or WRITE), and IBM code does the work.
CLOSE, and guess who does the work.

Those are generic statements (OPEN, READ/WRITE, and CLOSE), but how many 
IBM-Written statements do you think you think they generate.

Consider LOGON (one statement/command) and, especially with RACF involved, how 
much IBM code is generated.

Or, a single SQL statement.
Or, even JAVA -- who wrote the JVM?

Need I go on?

-
Too busy driving to stop for gas!

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