/etc/dfs/sharetab is a read-only file that has a symbolic link to the /system/dfs/sharetab file. The symbolic link enables users to install and use applications. If the symbolic link is removed, the operating system continues to function but the installed
applications will not work. To resolve this problem, the symbolic link should be reestablished. Note that the kernel and any tools that manage the operating system refer directly to the /system/dfs/sharetab file.
Each line of the file consists of the following fields: