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Makes a partition in ram which is useful if you need a temporary working space as read/write access is fast.
Be aware that anything saved in this partition will be gone after your computer is turned off.
Creates a temporary ram partition
to make a 3gb partition (Defaults to 1gb)
If you use eatmydata, all fsyncs will be ignored, so things will go much faster. Maybe not quite as fast as a ramdisk, but if you have enough free memory, the fs cache should help a lot. Just remember to sync afterwards--and if your system crashes in the middle of the command... :)
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