ls /bin
cat names.txt 
less names.txt 
head names.txt 
head -3 names.txt 
wc names.txt 
wc -l names.txt 
wc -c names.txt 
du names.txt 
du -b names.txt 
cat marley1.txt 
cat marley2.txt 
diff marley1.txt marley2.txt 
grep "Jessica" names.txt 
grep "Andrew" names.txt
grep "Alisa" names.txt 
cat names.txt 
sort names.txt 
cd ~
find . -name "names.txt"
locate names.txt
locate *.txt
which clear
less HelloWorld.java 
javac HelloWorld.java 
java HelloWorld
javac HelloWorld.java 
java HelloWorld -b Jessica repeat
grep hi
cat > input.txt
less input.txt
java HelloWorld -b < input.txt
sort names.txt 
sort names.txt | uniq
java HelloWorld -b < input.txt
java HelloWorld -b < input.txt > output.txt
less output.txt 
java HelloWorld > output2.txt