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"
set | grep FILE
echo $FILE
echo "$FILE"
ls *.txt
rm silly.txt
echo $FILE
FILE="$(ls *.txt)"
set | grep FILE
echo $FILE
touch silly.txt
ls *.txt
echo $FILE
set | grep FILE
FILE="hello $NAME"
echo $FILE
FILE='$(ls *.txt)'
echo $FILE
MYDIR=$(pwd)
echo "Your current dir is $MYDIR"
MESSAGE="Why hello there"
size=$(echo -n $MESSAGE | wc -c)
filesize=$(cat foo.txt | wc -l)
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
man bash
echo $SHELL
echo $USER
echo $PATH
./slide7.sh 
PATH=""
echo $PATH
./slide7.sh 
PATH="${PATH}:/homes/iws/rea/391"
echo $PATH
slide7.sh 
seq 6
chmod u+x createhw.sh
./createhw.sh 5
echo -n "$NAME" | wc -c