1. 打开Terminal或iTerm2,并执行:

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    diskutil list

    /dev/disk2 (external, physical):

    #: TYPE NAME SIZE IDENTIFIER

    0: Apple_partition_scheme *62.9 GB disk2
    1: Apple_partition_map 4.1 KB disk2s1
    2: Apple_HFS 4.1 MB disk2s2

  2. 将其格式化为ExFAT格式,并命名为ud

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    sudo diskutil eraseDisk ExFAT ud /dev/disk2

    Started erase on disk2
    Unmounting disk
    Creating the partition map
    Waiting for partitions to activate
    Formatting disk2s2 as ExFAT with name ud
    Volume name : ud
    Partition offset : 411648 sectors (210763776 bytes)
    Volume size : 122466304 sectors (62702747648 bytes)
    Bytes per sector : 512
    Bytes per cluster: 131072
    FAT offset : 2048 sectors (1048576 bytes)

    # FAT sectors : 4096

    Number of FATs : 1
    Cluster offset : 6144 sectors (3145728 bytes)

    # Clusters : 478360

    Volume Serial # : 6131f6bf
    Bitmap start : 2
    Bitmap file size : 59795
    Upcase start : 3
    Upcase file size : 5836
    Root start : 4
    Mounting disk
    Finished erase on disk2