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Is there a way to map a particular folder to memory? Say I have C:\somePath and I want that folder to be in memory at all times and maybe changes are dumped to HDD asynchronously without my notice. So this is more like a forced caching of HDD content in memory... For Windows 7 or any windows OS?

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why would you want to do this? – Jim B May 24 '11 at 13:30
To have faster read write times. – erdogany May 27 '11 at 3:20
I second this - is there something like tmpfs? – Krab Apr 2 '12 at 9:37

You need 3rd party software to do this. One program that can do this is ImDisk. ImDisk will create a new drive letter which you can make a link to from any folder you want: mklink /D C:\somePath E:\somePath.

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by default the windows cache manager does an OK job of managing cache size and will not add too much cache to a system. You can tweak the cache size but not the contents by default.

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So this approach is not possible in Windows? – erdogany May 27 '11 at 3:21

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