如何用Mac命令行烧录Raspberry镜像

新TF卡显示的内容。

• diskutil list 显示内容

  /dev/disk2
     #:                       TYPE NAME                    SIZE       IDENTIFIER
     0:     FDisk_partition_scheme                        *63.9 GB    disk2
     1:               Windows_NTFS                         63.8 GB    disk2s1
  

• diskutil info /dev/disk2 显示内容

     
     Device Identifier:        disk2
     Device Node:              /dev/disk2
     Part of Whole:            disk2
     Device / Media Name:      Mass Storage Device Media
  
     Volume Name:              Not applicable (no file system)
  
     Mounted:                  Not applicable (no file system)
  
     File System:              None
  
     Content (IOContent):      FDisk_partition_scheme
     OS Can Be Installed:      No
     Media Type:               Generic
     Protocol:                 USB
     SMART Status:             Not Supported
  
     Total Size:               63.9 GB (63864569856 Bytes) (exactly 124735488 512-Byte-Units)
     Volume Free Space:        Not applicable (no file system)
     Device Block Size:        512 Bytes
  
     Read-Only Media:          No
     Read-Only Volume:         Not applicable (no file system)
     Ejectable:                Yes
  
     Whole:                    Yes
     Internal:                 No
     OS 9 Drivers:             No
     Low Level Format:         Not supported 
  
  

格式化TF卡

zzw:davidzou$ sudo diskutil eraseDisk FAT32 ZZWZM MBRFormat /dev/disk2
Password:
Started erase on disk2
Unmounting disk
Creating the partition map
Waiting for the disks to reappear
Formatting disk2s1 as MS-DOS (FAT32) with name ZZWZM
512 bytes per physical sector
/dev/rdisk2s1: 124704960 sectors in 1948515 FAT32 clusters (32768 bytes/cluster)
bps=512 spc=64 res=32 nft=2 mid=0xf8 spt=32 hds=255 hid=2 drv=0x80 bsec=124735486 bspf=15223 rdcl=2 infs=1 bkbs=6
Mounting disk
Finished erase on disk2

格式化后

• diskutil list

  /dev/disk2
  #:                       TYPE NAME                    SIZE       IDENTIFIER
  0:     FDisk_partition_scheme                        *63.9 GB    disk2
  1:                 DOS_FAT_32 ZZWZM                   63.9 GB    disk2s1
  

• diskutil info /dev/disk2

     Device Identifier:        disk2
  Device Node:              /dev/disk2
  Part of Whole:            disk2
  Device / Media Name:      Mass Storage Device Media
  
  Volume Name:              Not applicable (no file system)
  
  Mounted:                  Not applicable (no file system)
  
  File System:              None
  
  Content (IOContent):      FDisk_partition_scheme
  OS Can Be Installed:      No
  Media Type:               Generic
  Protocol:                 USB
  SMART Status:             Not Supported
  
  Total Size:               63.9 GB (63864569856 Bytes) (exactly 124735488 512-Byte-Units)
  Volume Free Space:        Not applicable (no file system)
  Device Block Size:        512 Bytes
  
  Read-Only Media:          No
  Read-Only Volume:         Not applicable (no file system)
  Ejectable:                Yes
  
  Whole:                    Yes
  Internal:                 No
  OS 9 Drivers:             No
  Low Level Format:         Not supported
  
  

退出挂载

```
diskutil umount /dev/disk2s1 
```

烧录镜像

```
sudo dd if=2017-04-10-raspbian-jessie.img of=/dev/disk2 bs=4m
```