21. "' UltimateDefrag "'is a file-system defragmentation utility made by DiskTrix. 22. Defragmentation can be performed with maintenance tools included with your system or commercially available disk-utility programs.23. Moreover, defragmentation performs writes to the SD card that count against the card's rated lifespan. 24. IP fragmentation is dealt with the connection tracking subsystem requiring defragmentation , though TCP segmentation is not handled. 25. Sometimes these routines are invoked or scheduled by the system manager or as in the case of defragmentation . 26. On Vista, it moves a tad slower even if defragmentation of the disk has been performed ." 27. Flash memory & ndash; based SSDs do not need defragmentation ; however, because SSDs garbage collection. 28. Once the computer has been checked out and cleaned up, a good defragmentation session can tune it up further. 29. The allocation strategy is optimised to minimise fragmentation, and sometimes performs defragmentation as part of a file storage operation. 30. The Mac's hard disk cannot be running during defragmentation , so the operation must be done from the floppy.
