nouse

# !/bin/sh

#first

for file in *
do
  if grep -q POSIX $file
  then
    echo  $file
  fi
done

exit 0

# !/bin/sh

myvar="Hi there"

echo $myvar
echo "$myvar"
echo '$myvar'
echo \$myvar

echo Enter some text
read myvar

echo '$myvar' now equals $myvar
exit 0