There are indeed similarities between Unix and Windows Server , and they were even "stolen" from Unix , but they all appear at the user interface "surface". The deep kernel level is however...

You should not compare Unix and especially not Linux with Windows. There history is completely different. And furthermore , Windows has become adult after using all kinds of Intel processor running...

Workstations and Servers use almost identical kernel software. It makes only difference on the OS version you use , and all server versions are based on a particular Windows version better known as...

Remember that some ramdisks use so called "virtual memory" , and that type of memory is swapped to the disk from time to time. The fastest ramdisks use solely non-pageable kernel software memory.

One may try own "Winramtech" development. It is very stable on Windows 10 en Windows 11. The 256 MB evaluation 64 bit version is free.