#!/bin/sh
#
# use "man test" for getting infos about bash test
#


[ -f /etc/shadow ] && echo "This PC uses shadow passwords"
[ -d /etc/apt ] && echo "Directory \"/etc/apt\" exists"
if [ -e /etc/apt ]; then
    echo "file/directory \"/etc/apt\" exists (2)"
else
    echo "file/directory /etc/apt does not exist"
fi