create linux boot USB

####################  IN MACOSX

- open disk util and format the usb as FAT32
- list the devices on your machine

➜  diskutil list

/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            999.3 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *7.7 GB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:       Microsoft Basic Data UNTITLED                7.5 GB     disk2s2

- above there we see the USB we formatted called untitled on /dev/disk2, unmounnt it


➜  diskutil unmountDisk /dev/disk2
Unmount of all volumes on disk2 was successful

- create the disk

➜  sudo dd if=linuxmint-18.1-xfce-64bit.iso of=/dev/disk2 bs=1m


### Monitoring progress of dd on MacOSX

CTRL + T
Sends SIGINFO to the process. This is a BSD feature OS X inherited.
You must have the terminal window executing dd selected when entering CTRL + T for this to work.