For Mac – Detailed guide
Part 5 Chapter 2
2. Plug in the USB
3. Open a terminal (cmd+space and search for terminal)
4. Find the location of your USB
If you are unsure which device that is your USB, do the following
A) Remove USB
B) Redo 'df -h'
C) Plug USB back in
D) df -h
E) Compare the two above and see which line is new, it will be similar to:
/dev/sda1 15G 991M 14G 7% /media/orcus/My-USB
It is important that you find the exact location of your thumbdrive, because you will need it in the next step.
5. Execute <dd> to create bootable USB
$ sudo dd if=/home/orcus/eosio-live-02.iso of=/dev/sda1 bs=4M && sync
if=<point to ISO file>
of=<point to USB, i.ex. /dev/sda1>
Wait for a few minutes until you get a final message.