diff --git a/lib/bash/tools.sh b/lib/bash/tools.sh
index 83b2aed..ab8ce10 100644
--- a/lib/bash/tools.sh
+++ b/lib/bash/tools.sh
@@ -1,69 +1,75 @@
 #!/bin/bash
 
 function replace_in_file() {
 	local pattern=$1 string=$2 filename=$3
 	sed "s?$pattern?$string?g" $filename > /tmp/sed.tmp.$$
 	mv /tmp/sed.tmp.$$ $filename
 	return 0
 }
 
 function get_file_encoding() {
 	local filename=$1
 	local output=$(file --brief $filename)
 	case $output in
 		*ASCII*)
 			echo "unicode"
 			return 0;;
 		*UTF-8*)
 			echo "unicode"
 			return 0;;
 		*8859*)
 			echo "iso"
 			return 0;;
 		"*")
 			echo "unknown";;
 	esac
 	return 1
 }
 
 function function_exists() {
 	if [ $(type "$1" 2>&1 | grep -c "$1"' is a function') -eq 1 ]; then
 		return 0
 	else
 		return 1
 	fi
 }
 
 function check_OS() {	OS=$(uname | tr "[A-Z]" "[a-z]")
 	if [ "$OS" == "linux" ]; then return 0; fi
 	if [ "$OS" == "darwin" ]; then return 0; fi
 	OS="unknown"
 	return 1
 }
 
 function check_OS_subtype() {
 	OS_SUBTYPE="unknown"
 	if [ -r /etc/gentoo-release ]; then OS_SUBTYPE="gentoo"; return 0; fi
+	if [ -r /usr/bin/lsb_release ]; then
+		if [ $(lsb_release -d | grep -ic 'buntu') -gt 0 ]; then OS_SUBTYPE="Ubuntu"; return 0; fi
+	fi
 	return 1
 }
 
 function check_AMC_version() {
 	AMC_VERSION="unknown"
 	which auto-multiple-choice > /dev/null 2>&1
 	if [ $? -gt 0 ]; then
 		AMC_VERSION="none"
 		return 1
 	fi
 
 	case $OS in
 	 "linux")
 	 	case $OS_SUBTYPE in
 		"gentoo")
 			AMC_VERSION=$(eix --xml auto-multiple-choice | grep 'installed="1"' | tr " " "\n" | grep '^id' | cut -d '"' -f 2)
 			return 0;;
+		"Ubuntu")
+			AMC_VERSION=$(dpkg -s auto-multiple-choice | grep '^Version:' | cut -c 10-)
+			return 0;;
 		esac
 	esac
 	return 1
 }
 
 # EOF