Changes

*[http://man7.org/linux/man-pages/man1/uniq.1.html uniq]<br>

*[http://linuxcommand.org/lc3_man_pages/grep1.html grep]<br>

|colspan="1" style="padding-left:15px;" width="30%"|Brauer Instructional Videos:<ul><li>[https://www.youtube.com/watch?v=UfAFAipked0&list=PLU1b1f-2Oe90TuYfifnWulINjMv_Wr16N&index=3 Basic File Actions<br>(touch, ls -l, cp, cp -r, mv, mkdir, mkdir -p, rm, rmdir, rm -r)]</ul>