cd
change directory
chown
change ownership
chmod
change permission modifiers
cp
copy a file or directory
sudo
DANGER! become super user root DANGER!
xargs
execute arguments
exit
exit the shell
export
export/set a new environment variable
find
find files
grep
find things inside files
apropos
find what man page is appropriate
ls
list directory
env
look at your environment
mkdir
make directory
mv
move a file or directory
hostname
my computer's network name
less
page through a file
popd
pop directory
echo
print some arguments
cat
print the whole file
pwd
print working directory
pushd
push directory
man
read a manual page
