>Back in the MS-DOS days, when the RAM was sparse, there was a class of so-called "memory optimization" programs You may find this interesting: Investigations

>Back in the MS-DOS days, when the RAM was sparse, there was a class of so-called "memory optimization" programs You may find this interesting: Investigations into SoftRAM 95 by Raymond Chen [1] and Mark Russinovich [2] respectively. "They implemented only one compression algorithm. It was memcpy." [1] https://devblogs.microsoft.com/oldnewthing/20211111-00/?p=105897 https://devblogs.microsoft.com/oldnewthing/20211111-00/?p=10... [2] https://www.drdobbs.com/parallel/inside-softram-95/184409937 https://www.drdobbs.com/parallel/inside-softram-95/184409937