Java tutorial
import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.nio.file.attribute.PosixFileAttributeView; import java.nio.file.attribute.PosixFileAttributes; import java.nio.file.attribute.PosixFilePermission; import java.util.Set; public class Test { public static void main(String[] args) throws Exception { Path path = Paths.get("home/docs/users.txt"); removePermission(path, PosixFilePermission.OWNER_EXECUTE); } private static void removePermission(Path path, PosixFilePermission permission) throws Exception { System.out.println("\nRemoving permission for " + path.getFileName()); PosixFileAttributeView view = Files.getFileAttributeView(path, PosixFileAttributeView.class); PosixFileAttributes attributes = view.readAttributes(); Set<PosixFilePermission> permissions = attributes.permissions(); permissions.remove(permission); view.setPermissions(permissions); System.out.println(); } }