DEMO directory

 22300
            Jan 19 16:27 nio_0200.txt
 3000
            Jan 19 16:27 nio_9000.txt
 523436
            Jan 19 16:27 hands-on-tutorial.pdf
 22300
            Jan 19 16:27 nio_0311.txt

22300	Jan 19 16:27	nio_0200.txt
3000	Jan 19 16:27	nio_9000.txt
523436	Jan 19 16:27	hands-on-tutorial.pdf
22300	Jan 19 16:27	nio_0311.txt