The catalog of files and utilized storage blocks is known as the file allocation table (FAT) and having that get corrupted is fairly catastrophic, as you can imagine.īut when you empty the trash or recycle bin, what the system is basically doing is zipping through all of the blocks allocated for each and every file, changing each from “in use” to “available”. Not to worry, systems are designed for this usage nowadays. After a while, this is where fragmentation can occur too: Your last saved photo might have its data spread across blocks 1, 6, 22, 105, and 25,303, for example. All of it’s tracked through the file system, which essentially has a catalog of every block on the drive, marked as “in use” or “available”. Your storage is broken up into thousands or even millions of “blocks”, typically 1024 bytes in size, and those are chained together to create large storage spaces. To understand, we need to talk just a bit about how disks and file systems work… Shortcuts: Empty Recycle Bin? | Install SDelete | Using SDelete Indeed, “empty” is a bit of a misnomer because what it essentially does is just mark those sectors of your hard disk – or SSD – available, without actually “deleting” anything. There’s a world of difference between what appears to happen when you “empty recycle bin” and what actually occurs on your Windows PC.
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