前一段时间U盘分区表被搞坏了，在Win7下没有太好的命令来修复，量产工具也是各种不给力，最后还是在ubuntu下搞定的。这里笔记下使用的工具吧：
CONTENTS
查看和修改分区fdisk：
可以使用fdiks查看和修改分区，这里作者就是通过o命令来重置的分区表。
cstriker1407@cstriker1407-x64:~$ sudo fdisk -l #查看当前分区 Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x5fb120da Device Boot Start End Sectors Size Id Type /dev/sda1 2048 19531775 19529728 9.3G 82 Linux swap / Solaris /dev/sda2 * 19531776 1953523711 1933991936 922.2G 83 Linux Disk /dev/sdb: 7.5 GiB, 8011087872 bytes, 15646656 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x4a022e4f Device Boot Start End Sectors Size Id Type /dev/sdb1 2048 15646655 15644608 7.5G 83 Linux cstriker1407@cstriker1407-x64:~$ sudo fdisk /dev/sdb1 #选中U盘分区 Welcome to fdisk (util-linux 2.25.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. 命令(输入 m 获取帮助)： m #使用m命令查看 Help: DOS (MBR) a toggle a bootable flag b edit nested BSD disklabel c toggle the dos compatibility flag Generic d delete a partition #删除分区 l list known partition types #查看支持的分区类型 n add a new partition #新建一个分区 p print the partition table #打印当前分区表 t change a partition type #更改分区类型 v verify the partition table #校验分区表 Misc m print this menu u change display/entry units x extra functionality (experts only) Save & Exit w write table to disk and exit #保存分区并退出 q quit without saving changes Create a new label g create a new empty GPT partition table G create a new empty SGI (IRIX) partition table o create a new empty DOS partition table s create a new empty Sun partition table
格式为NTFS：
cstriker1407@cstriker1407-x64:~$ sudo mkfs.ntfs -f /dev/sdb1 -L MyUSB #使用mkfs.ntfs对U盘进行格式化
cstriker1407@cstriker1407-x64:~$ sudo mkfs -t ntfs /dev/sdb1 #使用mkfs对U盘进行格式化
cstriker1407@cstriker1407-x64:~$ mkfs #mkfs使用帮助
用法：
mkfs [options] [-t <type>] [fs-options] <device> [<size>]
选项：
-t, --type=<type> filesystem type; when unspecified, ext2 is used
fs-options parameters for the real filesystem builder
<device> path to the device to be used
<size> number of blocks to be used on the device
-V, --verbose explain what is being done;
specifying -V more than once will cause a dry-run
-V, --version display version information and exit;
-V as --version must be the only option
-h, --help display this help text and exit
For more information see mkfs(8).
cstriker1407@cstriker1407-x64:~$ mkfs.ntfs #mkfs.ntfs使用帮助
Usage: mkntfs [options] device [number-of-sectors]
Basic options:
-f, --fast Perform a quick format
-Q, --quick Perform a quick format
-L, --label STRING Set the volume label
-C, --enable-compression Enable compression on the volume
-I, --no-indexing Disable indexing on the volume
-n, --no-action Do not write to disk
Advanced options:
-c, --cluster-size BYTES Specify the cluster size for the volume
-s, --sector-size BYTES Specify the sector size for the device
-p, --partition-start SECTOR Specify the partition start sector
-H, --heads NUM Specify the number of heads
-S, --sectors-per-track NUM Specify the number of sectors per track
-z, --mft-zone-multiplier NUM Set the MFT zone multiplier
-T, --zero-time Fake the time to be 00:00 UTC, Jan 1, 1970
-F, --force Force execution despite errors
Output options:
-q, --quiet Quiet execution
-v, --verbose Verbose execution
--debug Very verbose execution
Help options:
-V, --version Display version
-l, --license Display licensing information
-h, --help Display this help
Developers' email address: ntfs-3g-devel@lists.sf.net
News, support and information: http://tuxera.com
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