this post was submitted on 24 Aug 2023
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This might come as a shock to you, but Windows 95 isn't even an operating system. It's a GUI shell that runs on DOS, which is a 16 bit operating system. There is no Windows 95 kernel.
It’s a bit more complex than that. Intel CPUs (to this day) boot in real mode, which is what DOS is using. In this mode, the system only has access to 640k of RAM. Windows 95 and later switch the processor to protected mode, where the system gets access to all of the RAM and also to memory protection features, so processes can’t real and write each other’s memory. However, in this mode it’s impossible to run real mode code, such as the one provided by DOS.
DOS games had a trick where they briefly switched back to real mode to execute DOS functions (mostly reading and writing to disk) and then back to protected mode, but I don’t think that Windows 95 did that.
Preferred DOS 6.22. Win95 was glorified Win3.11FWG
I used DesQview in DOS and then switched to OS/2 Warp when it came out. DesQview was really cool.
DOS 7 was 32-bit.