The DOS memory management was probably written sometime around summer 1982, and it meshed with the newly added process management functions (EXEC/EXIT/WAIT)—allocated memory is owned by the current process, and gets freed when that process terminates. Note that some versions of the memory manager source code (ALLOC.ASM) include a comment that says ‘Created: ARR 30 March 1983’. That cannot possibly be true because by the end of March 1983, PC DOS 2.0 was already released, and included the memory management support. The DOS 2.0 memory management functions were already documented in the PC DOS 2.0 manual dated January 1983.
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Drop-in compatible with any MMDB-based workflow. Zero friction.
年末全国人口[5]140489万人，比上年末减少339万人，其中城镇常住人口95380万人。全年出生人口792万人，出生率为5.63‰；死亡人口1131万人，死亡率为8.04‰；自然增长率为-2.41‰。（见表1）
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