#!/usr/pkg/bin/bash
root() {
 if [ -r /etc/shadow ]; then
  return 0
 else
  return 1
 fi
}
die() {
 echo "$*" >&2
 exit 1
}
if ! root; then echo must be root >&2; exit 1; fi
if [ -z "$2" -o "$1" = "0" ]; then
 die Usage: $0 RAMDISK MOUNTPOINT, where RAMDISK greater than 0
fi
dd if=/dev/zero  of=/dev/ram$1 bs=1k count=7777
# make lots of inodes for symlinks and other small files
mke2fs -v -m 0 -i 1024 /dev/ram$1
mount -t ext2 /dev/ram$1 $2