Methods for modifying file and directory attributes

The setLastModified() method sets the modification date to the specified value if the file system supports this.

Special features of the DMS file system

The modification date cannot be set.

The setReadOnly() method modifies the file attributes so that only read operations are permitted.

Special features of the DMS file system

For files the files attribute ACCESS is set to the value READ. This attribute cannot be set for directories and temporary files in the DMS sense.