Created
June 30, 2012 13:25
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create RAM disk in OS X
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#!/bin/bash | |
# | |
# Create a RAM Disk in Mac OS X 10.5, 10.6, 10.7 or later. | |
# To remove the RAM disk, simply eject it from the desktop | |
# as you would any other disk. | |
# | |
# http://osxdaily.com/2007/03/23/create-a-ram-disk-in-mac-os-x/ | |
if [ -z "$1" ]; then | |
echo Usage: $0 SIZE_IN_MB | |
exit 1 | |
fi | |
MB_SIZE=$1 | |
# The `hdiutil` wants the number in form of 512K blocks. | |
# However, we'd like to use values in MB. | |
let "MB_SIZE *= 2048" | |
diskutil erasevolume HFS+ "ramdisk" `hdiutil attach -nomount ram://${MB_SIZE}` | |
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