Slack Space Hiding

slack Space hinding

Hide data into Slack space : 1 - What is slack Space When you format a partition, you define a block / cluster size (ie: 64b). Later, you'll copy files on the filesystem. The slack space is the unused size of the blocks you've written on. Let me illustrate : You copy a 110b file on /dev/sda2 which has a block size of 4096b. Then you'll have 4096-110=3986b of unused space on the block. Let'ssay the sectors are 1024b long, then youl'll have the 3 last sectors free of data. The remaining space of the first sector is called "datahole...