cd lec02
ls
ls temp_dir/
ln -s temp_dir coolNew_dir
ls -l
cd coolNew_dir/
ls
cd  ..
ls
cat names_12sp.txt 
more names_12sp.txt 
less names_12sp.txt 
head names_12sp.txt 
tail names_12sp.txt 
wc names_12sp.txt 
wc -l names_12sp.txt 
wc -c names_12sp.txt 
du names_12sp.txt
du *.txt
ls *.txt
ls n*.txt
du *.txt
du -b *.txt
less names_12sp.txt 
grep Michael names_12sp.txt 
grep Ruth names_12sp.txt 
grep Mary names_12sp.txt 
grep Susan names_12sp.txt 
grep Lee names_12sp.txt 
sort names_12sp.txt 
less names_12sp.txt 
emacs names_12sp.txt 
cat names_12sp.txt
less names_12sp.txt
sort names_12sp.txt | less
less names_12sp.txt
ls
find -name names_12sp.txt
find -name *.txt
find -name n*.txt
which wc
man wc
sort -r names_12sp.txt
cat names_12sp.txt
less names_12sp.txt
sort -r names_12sp.txt
cat names_12sp.txt
ls *.java
cat Hello.java 
ls
rm *.class
ls
javac Hello.java 
ls
java Hello
cat Hello.java 
java Hello fee fie foe
cat HelloWorld.java 
javac *.java
ls
ls *.class
ls *.java
java HelloWorld
cat HelloWorld.java 
java HelloWorld fee fie foe
java HelloWorld fee fie foe -b
cat HelloWorld.java 
less names_12sp.txt
grep Michael names_12sp.txt
grep Michael
clear
sort names_12sp.txt
sort names_12sp.txt > sortedNames_12sp.txt
less sortedNames_12sp.txt 
wc sortedNames_12sp.txt 
sort names_12sp.txt >> sortedNames_12sp.txt
wc sortedNames_12sp.txt 
less sortedNames_12sp.txt 
cat Hello.java 
cat HelloWorld.java 
emacs bugs.txt
cat bugs.txt 
java HelloWorld
java HelloWorld < bugs.txt 
java HelloWorld < bugs.txt > out.txt
cat out.txt
emacs names_12sp.txt
less testNames.txt
less names_12sp.txt
diff testNames.txt names_12sp.txt
ls *.txt
more short_names.txt 
emacs short_names.txt 
cat short_names.txt
sort short_names.txt 
sort short_names.txt | uniq

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