![]() Defragging a hard drive populates the related files together as much as possible and speeds up the system performance. Defragmentation is the method to lower the fragments and make the unused space available as contiguous storage. The simplest is About This Mac, available by choosing About This Mac from the Apple menu in the upper-left corner of your screen. ![]() ![]() Your Mac provides several tools to help you identify it. It may also lead to system crash or boot time problems. Identify your MacBook Pro model Use this information to find out which MacBook Pro you have, and where it fits in the history of MacBook Pro. Step 2: Backup your data using Time Machine, iCloud, or an external drive. They remain useless in the form of isolated memory space. Step 1: The safest and easiest way to do a defrag for a Mac is to use trusted third-party Mac defrag software. ![]() Now, if a file requires 23 bytes of storage, it has to be allocated 32 bytes. The memory chunks can be provided in the multiples of 4, 8 and 16. The most difficult to remove fragmentation type is internal fragmentation which occurs due to the rules according to which the space on the storage is allocated to the data. The files are written to the storage in chunks of memory and upon repeated write and read operations they leave memory chunks that cannot be used as contiguous storage locations. Fragmentation is a common phenomenon that occurs on the hard drives over the course of time and its usage.
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