Disk defragmentation

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Disc, Confederation of Revolutionary Trade Unions of Turkey, Disk utility, Floppy disk, Disk II, Yandex Disk, Disk encryption, Famicom Disk System, History of the floppy disk, Disk storage, Disk partitioning, Disk Utility, Disk compression, Secchi disk, Protoplanetary disk, Disk Copy, Debris disk, Hard disk drive, Accretion disk, Euler's Disk, Disk loading, Nipkow disk, Disk image, Apple Disk Image, Thick disk, Hard disk recorder, Floppy disk variants, Unit disk, Disk wind, Disk (mathematics), Disk array, Hard Disk Sentinel, Logical Disk Manager, Disk staging, Hard disk drive platter, Comparison of disk cloning software, Disk cache, Beta Disk Interface, Occulting disk, Disk operating system, ESP-Disk, Disk controller, Cipher disk, Poincaré disk model, Disk mirroring, Disk read-and-write head, Disk laser, Induction disk motor, Amiga rigid disk block, Double-sided disk, Disk Drill, Thin disk, Boot disk, Peter Pan disk, Disk formatting, Hard disk drive performance characteristics, History of hard disk drives, Disk cartridge, Double disk, History of IBM magnetic disk drives, Floppy-disk controller, Amiga Disk File, Hardware-based full disk encryption, Target Disk Mode, List of Famicom Disk System games, Alderson disk, Jecklin disk, Dead disk, GNOME Disks, Disk of Mictlāntēcutli, Disk Manager, Disk editor, Compact Disk Dummies, Disk Usage Analyzer, SuperDisk, Hard disk drive failure, Virtual disk and virtual drive, List of floppy disk formats, Marvel Disk Wars: The Avengers, Disk Cleanup, Shared-disk architecture, Disk enclosure, Disk-based backup, Sarajevo Disk, MSD Super Disk, Track (disk drive), Microsoft ScanDisk, Wave disk engine, Airy disk, Disk cloning, TestDisk, Commodore 64 disk and tape emulation, San disk, Disk covering problem, Triton Quick Disk Drive, Emergency repair disk, Peters's disk-winged bat, Disk failure, List of defunct hard disk manufacturers, Comparison of disk encryption software, Floppy disk drive interface, List of disk drive form factors, Microsoft 32-bit disk access, Spix's disk-winged bat, Disk pack, Disk array controller, Disk-footed bat, Disk-covering method, Siren disk, Rotating ring-disk electrode, Disk density, Rotating disk electrode, Private Disk, Spelling of disc, Disk-over-water method, Disk data format, Disk buffer, Disk swapping, REV (disk), Disk diffusion test, Disk Detective, Circumplanetary disk, CrystalDiskMark, The Disk, Universal Disk Format, Articular disk of the temporomandibular joint, Double-disk diffusion test, Disk quota, Disk magazine, VHD (file format), Circumstellar disc, Jungle Disk, Disk Inventory X, Logical disk, Hard Disk 20, PDP-8 4K Disk Monitor System, Okka Disk, Macintosh External Disk Drive, VMDK, Disk sector, Video Disk Recorder, Fiber disk laser, Disk First Aid, Disk encryption software, Dar (disk archiver), Forensic disk controller, DiskDoubler, M-Systems, Cylinder-head-sector, Hard disk drive interface, PGPDisk