ln -s test newLinktoTest ls -l cat names.txt less names.txt head names.txt tail names.txt wc names.txt wc -l names.txt du names.txt du -b names.txt less unSortedNames.txt diff unSortedNames.txt names.txt diff unSortedNames.txt names.txt wc names.txt wc unSortedNames.txt man wc ls grep Snoopy names.txt grep Snoopy unSortedNames.txt sort unSortedNames.txt | less wc -l unSortedNames.txt sort unSortedNames.txt | uniq | wc -l javac Hello.java java Hello rm *.class javac *.java java Hello > greeting.txt cat greeting.txt java HelloWorld -b fee fie foe fum java HelloWorld fee fie foe fum Slide 6: sort -r names.txt Slide 12: java HelloWorld -b < input.txt > output.txt Slide 13: grep "A" names.txt | wc -l grep "A" names.txt | sort | tail -1 | wc -m