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I am putting together a new server with 64GB of RAM and I would like to copy the whole Linux OS into a tmpfs from the disk and use the tmpfs as the OS (and I will use rsync to back up the tmpfs to disk every five minutes or so).

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    What are you hoping to achieve by doing this ?
    – user9517
    Commented Feb 21, 2012 at 10:20

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You're better off using a traditional ramdisk, as shmfs/tmpfs are not very efficient filesystem-wise.

Also voted to close, as you're not asking a question.

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