Submitted by unlikemike123 t3_z6wvdf in explainlikeimfive
kucksdorfs t1_iy3uze3 wrote
Reply to comment by unlikemike123 in eli5 How is computer memory deleted? by unlikemike123
Think of it as a table of content in a book. So when you "delete' a file, you just remove the table of content chapter marker, but not the pages. Then, when you need to write more data, you "write" to the pages then update the table of content.
Things can get more complicated when it comes to flash storage (ssd/flash drive) but only when it comes to overwriting the pages.
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