# +----------------------------------------------------------------------+

# | |

# | Set up Mac OS X to store temporary files in RAM rather than on disk.|

# | |

# | By Philipp Klaus <

# | |

# | Originally by Ricardo Gameiro <

# | Changes by Daniel Jenkins |

# | <

# | |

# +----------------------------------------------------------------------+

cd /System/Library/StartupItems

sudo mkdir RamFS

sudo chown -R root:wheel RamFS

sudo chmod -R u+rwX,g+rX,o+rX RamFS

cat << «EOF» | sudo tee RamFS/RamFS > /dev/null

#!/bin/sh

# Create a RAM disk with same perms as mountpoint

RAMDisk(){

mntpt=$1

rdsize=$(($2*1024*1024/512))

echo «Creating RamFS for $mntpt»

# Create the RAM disk.

dev=`hdik -drivekey system-image=yes -nomount

# Successfull creation...

if[$? -eq 0 ] ; then

# Create HFS on the RAM volume.

newfs_hfs $dev

# Store permissions from old mount point.

eval `/usr/bin/stat -s $mntpt`

# Mount the RAM disk to the target mount point.

mount -t hfs -o union -o nobrowse $dev $mntpt

# Restore permissions like they were on old volume.

chown $st_uid:$st_gid $mntpt

chmod $st_mode $mntpt

fi

}

# Test for arguments.

if[ -z $1 ]; then

echo «Usage: $0 [start|stop|restart] «

exit 1

fi