ps
bash
ps
exit
echo rea
echo -n rea
echo "hello there"
echo hello there
echo hi there *
echo "hi there *"
echo "your current directory: `pwd`"
NAME=Ruth
$NAME
echo $NAME
echo $Name
FILE="ls *.txt"
echo $FILE
FILE="`ls *.txt`"
echo $FILE
FILE="hello $NAME"
echo $FILE
FILE='`ls *.txt`'
echo $FILE
x=5
y=6
echo "$x + $y"
let z="$x + $y"
echo z
echo $z
x=3
echo x
echo $x
echo "$x"
echo '$x'
echo \'$x\'
echo 'x'
echo $HOSTNAME
echo $PS1
echo $SHELL
echo $USER
echo $PATH
./slide7.sh 
PATH=""
echo $PATH
./slide7.sh 
PATH="${PATH}:."
echo $PATH
slide7.sh 
seq 6
chmod u+x createhw.sh
./createhw.sh 5