What does GUID partition table actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Check partition table health in Lion's Disk Utility Apple's Disk Utility has always checked the health of volume structures, but in Lion it will verify the structure of the partition tables as well.

Partitioning means writing the hard drive sectors that will make up the partition table. It contains information on the partition, including sector size, position with respect to the primary partition ...

<p>There may be times where you've either decided to partition a drive or are finished with a partition and wish to remove it and dedicate the space to another partition. The disk management tool ...

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But partition tables are stored independently of the data on the disk, and there are ways that you can rebuild them.

One of my dual boot Win 9x/GNU/Linux boxes has some sort of issue with the partition table, so that occasionally it renders one of my OS partitions unbootable. This time it's Windows.

Note that this command works only on Intel Macs with hard disks formatted using the GPT (GUID Partition Table) format with a journaled Hierarchical File System Plus (HFS+) file system.

Switching a partition involves no copying, moving or deleting of data. Internally it is a mere matter of resetting a pointer from one table partition to another identically structured table partition.

I've installed Ubuntu Linux and all was going well until I decided to back it up with Ghost. It seems that the Ubuntu partition wasn't marked as EXT3. For some reason, all third party apps treated ...