# Echo architecture and OS name in uppercase. Do NOT remove these two lines.
uname -s | tr '[:lower:]' '[:upper:]'
-[ -x "`which dpkg`" ] && dpkg --print-architecture | tr a-z A-Z
+command -v dpkg >&/dev/null && dpkg --print-architecture | tr a-z A-Z
# determin if we are a DHCP client or not
# count the : chars in the argument of ip=