Raspberry Pi/Installing

Download Wheezy

http://www.raspberrypi.org/downloads

Verify SHA1

http://support.apple.com/kb/ht1652

openssl sha1 [full path to file]
e.g. openssl sha1 /Users/myaccount/Documents/1024SecUpd2003-03-03.dmg

Installing Image

http://elinux.org/RPi_Easy_SD_Card_Setup#Using_command_line_tools_.281.29
1) identify the disk (not partition) of your SD card. e.g. disk4 (not disk4s1)

diskutil list

2) unmount SD Card

diskutil unmountDisk /dev/<disk# from diskutil>
e.g. diskutil unmountDisk /dev/disk4

3) copy image onto SD Card

sudo dd bs=1m if=<your image file>.img of=/dev/<disk# from diskutil>
e.g. sudo dd bs=1m if=2012-12-16-wheezy-raspbian.img of=/dev/disk4

3b) to check status of copy

CRTL+T

4) unmount SD Card

sudo diskutil eject <disk# from diskutil>
e.g. sudo diskutil eject /dev/rdisk3