adrian kok <adriankok2000 at yahoo.com.hk> wrote: >> I have this . folder under tmp << It's called a directory, not a "folder" and there's one in every directory. It's a hard link to the current directory, just like ".." is a hard link to the directory above. >> 1/ How they can make it this folder? << Create any directory, and it will appear, as I've explained. >> 2/ How can I remove it? << If you remove it, you'll be removing the /tmp directory itself, which is not a bright idea. Imagine someone sitting on a branch, sawing away between themselves and the trunk of the tree. . . Best, --- Les Bell [http://www.lesbell.com.au] Tel: +61 2 9451 1144