Jelena Mamčenko Operating Systems Lecture Notes on Operating Systems 50 format for floppy disks and solid-state memory cards, and a convenient way of sharing data between disparate operating systems installed on the same computer (a dual boot environment). The most common implementations have a serious drawback in that when files are deleted and new files written to the media, their fragments tend to become scattered over the entire media making reading and writing a slow process. Defragmentation is one solution to this, but is often a lengthy process in itself and has to be repeated regularly to keep the FAT file system clean. FAT12 FAT16 FAT32 Developer Microsoft Full Name File Allocation Table (12-bit version) (16-bit version) (32-bit version) Introduced 1977 (Microsoft Disk BASIC) July
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