On 01/11/2016 06:50 AM, Always Learning wrote: > Why not, on start-up, create a 'ram disk' and do your sensitive work in > volatile RAM or is this what 'tmpfs' implies ? I think that's what OP expected tmpfs to be, but it should be noted that tmpfs *can* be swapped to disk, so it should not be used for data that you don't want to ever hit non-volatile storage (unless you have no swap space).