66 lines
1.6 KiB
Plaintext
66 lines
1.6 KiB
Plaintext
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Command: fdisk - partition a hard disk [IBM]
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Syntax: fdisk [-hm] [-sn] [file]
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Flags: -h Number of disk heads is m
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-s Number of sectors per track is n
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Examples: fdisk /dev/hd0 # Examine disk partitions
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fdisk -h9 /dev/hd0 # Examine disk with 9 heads
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When fdisk starts up, it reads in the partition table and displays
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it. It then presents a menu to allow the user to modify partitions,
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store the partition table on a file, or load it from a file. Partitions
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can be marked as MINIX, DOS or other, as well as active or not. Using
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fdisk is self-explanatory. However, be aware that repartitioning a disk
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will cause information on it to be lost. Rebooting the system
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immediately is mandatory after changing partition sizes and parameters.
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MINIX, XENIX, PC-IX, and MS-DOS all have different partition numbering
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schemes. Thus when using multiple systems on the same disk, be careful.
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Note that MINIX, unlike MS-DOS, cannot access the last sector in a
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partition with an odd number of sectors. The reason that odd partition
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sizes do not cause a problem with MS-DOS is that MS-DOS allocates disk
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space in units of 512-byte sectors, whereas MINIX uses 1K blocks. Fdisk
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has a variety of other features that can be seen by typing h.
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Fdisk normally knows the geometry of the device by asking the
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driver. You can use the -h and -s options to override the numbers
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found.
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