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网上找了些资料都有这句:dd if=/dev/zero of=/dev/rad1 bs=1k count=1
另外,安装fdisk的时候,自动使用整个磁盘,为什么后面会预留空间?
前面的预留空间还能说是放些磁盘信息。
Disk name: ad0 FDISK Partition Editor
DISK Geometry: 17753 cyls/15 heads/63 sectors = 16776585 sectors (8191MB)
Offset Size(ST) End Name PType Desc Subtype Flags
0 63 62 - 12 unused 0
63 16776522 16776584 ad0s1 8 freebsd 165
16776585 631 16777215 - 12 unused 0
The following commands are supported (in upper or lower case):
A = Use Entire Disk G = set Drive Geometry C = Create Slice F = `DD' mode
D = Delete Slice Z = Toggle Size Units S = Set Bootable | = Wizard m.
T = Change Type U = Undo All Changes W = Write Changes
Use F1 or ? to get more help, arrow keys to select. |
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