ls
clear
ls
cd 390
ls
cd lec01
ls
pwd
ls 
ls Music
cd Music
ls
cd 
pwd
cd
cd ~
cd ~rea
ls
cd 390/lec01/
pwd
ls
cd .
pwd
cd ..
pwd
cd ../..
ls
cd
pwd
ls
cd 390/lec01/
ls
cd /
pwd
ls
pwd
cd /cse
ls
cd
cd 390/lec01
pwd
ls
ls Music
ls -l Music
man ls	[Notes: use return to advance one line, space advances one page, 
    	and /-r to search on the -r option, n to go to the next occurence, 
	/ to repeat that same search, q to exit man]
ls -l
ls -lr
ls -la
touch .tiny
ls -la
ls -l
mkdir SillyDir
ls -l
cd SillyDir/
ls
which ls
ls
which cd
man cd
ls
cd ..
ls
cat numbers.txt 
cp numbers.txt numbers2.txt
ls
cat numbers2.txt 
history
man cd
history
cat numbers2.txt 
ls
cp numbers2.txt Music/
ls Music/
ls -l
ls Music
ls --help
info touch
clear
date
man date
cal
cal 2013
uname
man uname
uname -a
ls
cd Music/
ls
pwd
ls
mv verse2.txt verse4.txt
ls
mv verse4.txt ..
ls
ls ..
cd ..
ls
cp verse4.txt Music/verse2.txt
ls Music/
ls
rm verse4.txt 
ls
ls -l
cd Music/
ls -l
date
touch verse3.txt 
ls -l
date
touch -t 201212250230 verse3.txt 
ls -l
ls --full-time
mv -i verse3.txt verse1.txt
ls *.txt
mkdir newMusic
mv *.txt newMusic
exit