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<p>Each operatin system provides some kind of tool to create and manage partitions. Examples of such tools are <b>fdisk</b> in DOS/Windows, <b>fdisk</b>, <b>sfdisk</b> and <b>parted</b> in Linux, etc.</p> |
<p>Each operatin system provides some kind of tool to create and manage partitions. Examples of such tools are <b>fdisk</b> in DOS/Windows, <b>fdisk</b>, <b>sfdisk</b> and <b>parted</b> in Linux, etc.</p> |
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<H3><a name="partitions-extended"></a>What is the difference between primary, extended and logical partitions? <span class="hideprint">[<a href="#partitions-top" title="go to top of the page">^</a>]</span></H2> |
<H3><a name="partitions-extended"></a>What is the difference between primary, extended and logical partitions? <span class="hideprint">[<a href="#partitions-top" title="go to top of the page">^</a>]</span></H3> |
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<p>Information about partitions is saved in so-called partition table in Master Boot Record. MBR itself is only 512 bytes in size, and only 64 bytes are reserved for partition table. That's not enough, and there are many workarounds to bypass limitations caused by the size, for example <a href="http://en.wikipedia.org/wiki/Logical_block_addressing#LBA.2C_ATA_devices_and_Enhanced_BIOS" target="_blank">logical block addressing</a>. Extended partitions are another workaround.</p> |
<p>Information about partitions is saved in so-called partition table in Master Boot Record. MBR itself is only 512 bytes in size, and only 64 bytes are reserved for partition table. That's not enough, and there are many workarounds to bypass limitations caused by the size, for example <a href="http://en.wikipedia.org/wiki/Logical_block_addressing#LBA.2C_ATA_devices_and_Enhanced_BIOS" target="_blank">logical block addressing</a>. Extended partitions are another workaround.</p> |
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