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Image of a disk drive with a resized partition
partitions/part-resize.png
It is important to understand what the resizing software you use does with the newly freed space, so that you can take the appropriate steps. In the case illustrated here, it would be best to delete the new DOS partition and create the appropriate Linux partition(s).
As the previous step implied, it may or may not be necessary to create new partitions. However, unless your resizing software is Linux-aware, it is likely that you must delete the partition that was created during the resizing process. xref:figu-partitions-final-configuration[Disk Drive with Final Partition Configuration], shows this being done.
Disk Drive with Final Partition Configuration
Image of a disk drive with final partition configuration
partitions/nondestruct-fin.png
Partition Naming Schemes and Mount Points
A common source of confusion for users unfamiliar with Linux is the matter of how partitions are used and accessed by the Linux operating system. In DOS/Windows, it is relatively simple: Each partition gets a "drive letter." You then use the correct drive letter to refer to files and directories on its corresponding partition. This is entirely different from how Linux deals with partitions and, for that matter, with disk storage in general. This section describes the main principles of partition naming scheme and the way how partitions are accessed in {PRODUCT}.
Partition Naming Scheme
Linux uses a naming scheme that is file-based, with file names in the form of `/dev/pass:attributes[{blank}]_xxyN_pass:attributes[{blank}]`.
Device and partition names consist of the following:
`/dev/`
This is the name of the directory in which all device files reside. Because partitions reside on hard disks, and hard disks are devices, the files representing all possible partitions reside in `/dev/`.
`pass:attributes[{blank}]_xx_pass:attributes[{blank}]`
The first two letters of the partition name indicate the type of device on which the partition resides, usually `sd`.
`pass:attributes[{blank}]_y_pass:attributes[{blank}]`
This letter indicates which device the partition is on. For example, `/dev/sda` for the first hard disk, `/dev/sdb` for the second, and so on.
`pass:attributes[{blank}]_N_pass:attributes[{blank}]`
The final number denotes the partition. The first four (primary or extended) partitions are numbered `1` through `4`. Logical partitions start at `5`. So, for example, `/dev/sda3` is the third primary or extended partition on the first hard disk, and `/dev/sdb6` is the second logical partition on the second hard disk.