Learn python the hard way Mac / linux terminal commands

ls

list directory

cat

print the whole file

xargs

execute arguments

exit

exit the shell

export

export/set a new environment variable

find

find files

apropos

find out man page is appropriate

grep

find things inside files

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

pwd

print working directory

cp

copy a file or directory

pushd

push directory

man

read a manual page

rmdir

remove directory

sudo

become super user root (Dangerous)

cd

change director