test2.sh

ls
ls -al
ls -a -l


/bin/ls -l -a

	/bin/ls -l 

vim

firefox & # /opt/firefox/firefox www.google.com

ps 
/bin/ps

pwd
mkdir newDir
touch newDir/newFile.txt
cd newDir
vi newFile
pwd

cd ../
pwd
wc newDir/newFile.txt

cat newDir/newFile.txt


#this is a comment
x=5
echo $x
echo 7
echo "hello world"
history