My friend uses Windows 7 and Ubuntu 11.10 in a dual boot setup. In Ubuntu there's a 12 GB partition with only one folder: Lost+found. I can neither open it nor access it otherwise.
What's the purpose of the Lost+found folder?
2 Answers
lost+found is the directory in which fsck (filesystem check) will put files it restores from orphaned blocks. This can happen when something corrupts filesystem meta-blocks (also called i-nodes) in which the references of the blocks are stored which contain the data of a file.
Look also at
2If you know about Windows chkdsk recovered files this is basically same as FOUND.??? folders created by chkdsk. So basically it contains any recovered directories, files or file fragments that are found during filesystem checking.