Try the following unix commands:

Description	Command
make a new directory	mkdir dirname
change directory	cd dirname
change to higher directory	cd ..
list filenames	ls
list all files (even hidden)	ls -a
list filenames with complete information	ls -l
combine the ls flags -a and -l	ls -al
show contents of a text file	cat filename
copy a file to the directory you created (The file will have the same name)	cp filename dirname
change directory	cd dirname
rename a file (named filename1)	mv filename1 newname
delete a file	rm filename
Remove a directory	rmdir dirname
Remove a directory and contents	rm -r dirname
show path	echo $PATH
get help on the ls command	man ls
Exist unix	exit
sample of basic commands