pwd clear ls cd 390 ls cd lec01 ls cd ls cd 390 ls cd lec01 ls pwd ls man ls ls ls -l cat silly.txt mv silly.txt TextFiles/ ls -l ls TextFiles/ cd TextFiles/ ls cp silly.txt crazy.txt ls mv crazy.txt .. ls pwd cd ls cd 390 ls cd lec01 ls pwd mkdir test-dir ls ls test-dir cp crazy.txt test-dir/really_crazy.txt ls test-dir pwd cd test-dir/ ls touch .dot_file.txt ls ls -l ls -la ls ls -l ls -a clear date man date cal cal 2012 man cal uname man uname uname -a ls cat really_crazy.txt cd .. ls ls *.html mkdir htmlFiles ls ls htmlFiles/ ls -a htmlFiles/ mv *.html htmlFiles/ ls ls -a htmlFiles/ cd htmlFiles/ ls ls -l touch diff.html ls -l touch -t 201212130412 diff.html ls -l touch -t 201112130412 diff.html ls -l ls --full-time ls cd .. ls cp numbers.txt TextFiles/ ls cd TextFiles/ ls pwd cd / ls cd homes/iws ls cd rea pwd