-------------------<snip>---------------------
Really? Who do you think used overlays? It was SOP for application programmers where I came from when running in MVT. Debugging isn't particularly an issue. Of course, the Linkage Editor can't resolve an external reference to a module that is in a different leg.
-----------------<unsnip>--------------------
Leave us not forget that the OS/360 FORTRAN-H compiler was overlaid into 5 regions! SMP and IEBCOPY were overlays until MVS/XA hit the street!

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