Overlay (programming): Difference between revisions

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Further reading: fixed link
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==Historical use==
IBM introduced the concept of a ''[[chain job]]''<ref name="IBM_1963_FORTRAN"/>
in [[FORTRAN II]]. The program had to explicitly call the CHAIN subroutine to load a new link,
and the new link replaced all of the old link's storage except for the Fortran COMMON area.