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<p>and wear of the flash cells, as well as decreased write performance of flash cells.</p>

<p><big> Background </big></p>
<p>Because of the way that many <a href="page.php?w=file_system">file system</a>s handle delete operations, by flagging data blocks as "not in use", storage media (SSDs, but also traditional hard drives) generally do not know which sectors/pages are truly in use and which can be considered free space. Contrary to (for example) an overwrite operation, a delete will not involve a physical write to the sectors that contain the data. Since</p><p>
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