pici
pico
pico example.sh
ls
chmod u+x example.sh 
./example.sh 
bash example.sh
source example.sh
NAME="Josh Goodwin"
echo $NAME
AGE=26
echo $AGE
AGE=23
echo $AGE
$NAME
Josh Goodwin
FILE=`ls -1 *.txt | sort | tail -1`
echo $FILE
ls *.txt
FILE=`ls -1 *.txt | sort | tail -1
`
FILE="ls -1 *.txt | sort | tail -1"
echo $FILE
X=5
Y=6
z="$X + $Y"
echo $z
let z="$X + $Y"
echo $z
X=3
X
notacommand=3
notacommand
$notacommand
"$notacommand"
'$notacommand'
echo $notacommand
echo "$notacommand"
echo '$notacommand'
PS1="thisismyprompt@mycomputer:$"
ls
./example.sh
example.sh
rm
echo $PATH
PATH=$PATH:/home/josh
echo $PATH
example.sh
PATH=
echo 
echo $PATH
ls
X=3
echo $X
bash
echo $X
export X
bash
pico file.sh
chmod u+x file.sh 
ls
./file.sh
ls