#
# Define default prompt to <username>@<hostname>:<path><"($|#) ">
# and print '#' for user "root" and '$' for normal users.
#
PS1='${LOGNAME}@$(/usr/bin/hostname):$(
    [[ "${LOGNAME}" == "root" ]] && printf "%s" "${PWD/${HOME}/~}# " ||
    printf "%s" "${PWD/${HOME}/~}\$ ")'