brep@Mini:~/Downloads/RaspberryPiSoftware$ df -h Filesystem Size Used Avail Capacity iused ifree %iused Mounted on /dev/disk0s2 465Gi 275Gi 189Gi 60% 72263404 49623338 59% / devfs 186Ki 186Ki 0Bi 100% 644 0 100% /dev map -hosts 0Bi 0Bi 0Bi 100% 0 0 100% /net map auto_home 0Bi 0Bi 0Bi 100% 0 0 100% /home /dev/disk1s5 79Mi 51Mi 28Mi 65% 0 0 100% /Volumes/BOOT /dev/disk1s1 1.3Gi 1.3Gi 61Mi 96% 0 0 100% /Volumes/RECOVERY brep@Mini:~/Downloads/RaspberryPiSoftware$ diskutil umount /dev/disk1s5 Volume BOOT on disk1s5 unmounted brep@Mini:~/Downloads/RaspberryPiSoftware$ diskutil umount /dev/disk1s1 Volume RECOVERY on disk1s1 unmounted brep@Mini:~/Downloads/RaspberryPiSoftware$ df -h Filesystem Size Used Avail Capacity iused ifree %iused Mounted on /dev/disk0s2 465Gi 276Gi 188Gi 60% 72480124 49406618 59% / devfs 186Ki 186Ki 0Bi 100% 644 0 100% /dev map -hosts 0Bi 0Bi 0Bi 100% 0 0 100% /net map auto_home 0Bi 0Bi 0Bi 100% 0 0 100% /home brep@Mini:~/Downloads/RaspberryPiSoftware$ ls 2014-01-07-wheezy-raspbian.img 2014-09-09-wheezy-raspbian.zip quick-start-guide-v2_1.pdf 2014-01-07-wheezy-raspbian.zip NOOBS_v1_3_4 copy.zip brep@Mini:~/Downloads/RaspberryPiSoftware$ sudo dd bs=4m if=2014-09-09-wheezy-raspbian.img of=/dev/rdisk1 Password: 781+1 records in 781+1 records out 3276800000 bytes transferred in 360.197763 secs (9097225 bytes/sec) brep@Mini:~/Downloads/RaspberryPiSoftware$ diskutil eject /dev/disk1 Disk /dev/disk1 ejected