Mac下dd命令制作Centos USB启动盘

最近想用装一台Centos系统来使用,下载好系统后,发现了dd这个强大的命令,可用于将系统写入USB来实现从U盘启动,现将其使用步骤记录一下

查看 Mac 下所有的 disk

diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *251.0 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:          Apple_CoreStorage                         250.1 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
/dev/disk1
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS Macintosh HD           *249.8 GB   disk1
                                 Logical Volume on disk0s2
                                 97E6F602-9BE4-491D-BEB1-C33959B22B81
                                 Unencrypted
/dev/disk2
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *41.9 MB    disk2
   1:                  Apple_HFS Adobe Flash Player I... 41.9 MB    disk2s1
/dev/disk3
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *8.2 GB     disk3
   1:                 DOS_FAT_32                         8.2 GB     disk3s1

解除U盘的挂载

diskutil unmountDisk /dev/disk3

用 dd 命令将 iso 写入

sudo dd if=/Users/jpuyy/Downloads/CentOS-7.0-1406-x86_64-Minimal.iso of=/dev/disk3 bs=4m

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