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How to create a RAM disk on OS X

32768 = size in sectors (16MB in this case, a sector is 512 bytes)

$ hdid -nomount ram://32768
/dev/disk1
$ newfs_hfs /dev/disk1
$ mkdir /tmp/ramdisk1
$ mount -t hfs /dev/disk1 /tmp/ramdisk1


To unmount:

hdiutil detach /dev/disk1
to osx files tiger ramdisk ram disk by peter on Mar 30, 2006 1 Comments
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