If this question comes up in your mind, do not look further read OneAndOneIs2 neat explanation.

FTA, “It’s a question that crops up with depressing regularity: Why don’t Linux filesystems need to be defragmented?. Here is my attempt at answering once and for all.

Rather than simply stumble through lots of dry technical explanations, I’m opting to consider that an ASCII picture is worth a thousand words. Here, therefore, is the picture I shall be using to explain the whole thing”

Read more at: OneAndOneIs2…