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F2FS
F2FS (Flash-Friendly File System) is a flash file system initially developed by Samsung Electronics for the Linux kernel.〔(f2fs: introduce flash-friendly file system ) by Jaegeuk Kim〕
The motive for F2FS was to build a file system that from the start, takes into account the characteristics of NAND flash memory-based storage devices (such as solid-state disks, eMMC, and SD cards), which are widely used in computer systems ranging from mobile devices to servers.
F2FS was designed on a basis of a log-structured file system approach, which it adapted to newer forms of storage. Jaegeuk Kim, the principal F2FS author, has stated that it remedies some known issues〔(LKML: (PATCH 00/16) f2fs: introduce flash-friendly file system ) by Jaegeuk Kim〕 of the older log structured file systems, such as the snowball effect of wandering trees and high cleaning overhead. In addition, since a NAND-based storage device shows different characteristics according to its internal geometry or flash memory management scheme (such as the Flash Translation Layer or FTL), it supports various parameters not only for configuring on-disk layout, but also for selecting allocation and cleaning algorithms.
== Features ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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