
echo "Szukanie powok w katalogach cieki przeszukiwania..."

if (sh -c exit > /dev/null 2> /dev/null) then
   echo "Jest sh."
else
    echo "BRAK sh."
fi

if (bash -c exit  > /dev/null 2> /dev/null) then
   echo "Jest bash."
else
    echo "BRAK bash."
fi

if (ksh -c exit  > /dev/null 2> /dev/null ) then
   echo "Jest ksh."
else
    echo "BRAK ksh."
fi

if (csh -c exit  > /dev/null 2> /dev/null ) then
   echo "Jest csh."
else
    echo "BRAK csh."
fi

if (tcsh -c exit  > /dev/null 2> /dev/null ) then
   echo "Jest tcsh."
else
    echo "BRAK tcsh."
fi

if (zsh -c exit  > /dev/null 2> /dev/null ) then
   echo "Jest zsh."
else
    echo "BRAK zsh."
fi

if (ash  -c exit > /dev/null 2> /dev/null ) then
   echo "Jest ash."
else
    echo "BRAK ash."
fi
