diff --git a/deprecated/old-build.sh b/deprecated/old-build.sh
index 9d23dd2..884d937 100755
--- a/deprecated/old-build.sh
+++ b/deprecated/old-build.sh
@@ -15,7 +15,7 @@ VERSION="${SHARED_VERSION}"
 # This scripts builds the firmware image from [WORKING_DIRECTORY],
 # with the following subdirectories:
 #
-#    image_parts/   <- firmware seperated
+#    image_parts/   <- firmware separated
 #    rootfs/ 	    <- filesystem
 #
 # Example:
diff --git a/deprecated/old-extract.sh b/deprecated/old-extract.sh
index dbdf8b7..a4a20b0 100755
--- a/deprecated/old-extract.sh
+++ b/deprecated/old-extract.sh
@@ -15,7 +15,7 @@ VERSION="${SHARED_VERSION}"
 # This scripts extacts the firmware image to [WORKING_DIRECTORY],
 # with the following subdirectories:
 #
-#    image_parts/   <- firmware seperated
+#    image_parts/   <- firmware separated
 #    rootfs/ 	    <- extracted filesystem
 #
 # Example:
diff --git a/deprecated/shared.inc b/deprecated/shared.inc
new file mode 100644
index 0000000..339c7b1
--- /dev/null
+++ b/deprecated/shared.inc
@@ -0,0 +1,209 @@
+#!/bin/sh
+SHARED_VERSION="$( cat firmware_mod_kit_version.txt )"
+#
+# Title: shared.inc
+# Author: Jeremy Collake <jeremy.collake@gmail.com>
+#
+# Shared functions
+#
+#
+#
+
+#################################################################
+WarningPrompt ()
+{
+	read -p " [ Press any key to contrinue, or abort now with break signal (CTRL-C) ]"
+}
+#################################################################
+PlatformIdentify ()
+{
+SYSNAME=`uname`
+	if [ "$SYSNAME" = "Linux" ]; then
+		echo " LINUX system detected. Compatibility ok."	
+	elif [ `expr "$SYSNAME" : "Darwin"` = 6 ]; then
+		echo " OS X system detected. **BETA TESTING**"
+		echo " This platform is not well tested."
+		WarningPrompt				
+	elif [ `expr "$SYSNAME" : "CYGWIN"` = 6 ]; then
+		echo " CYGWIN system detected. **BETA TESTING** Built images may have problems."
+		echo " This platform is not well tested."
+		WarningPrompt			
+	else
+		echo " Unknown system detected. Compatibility state is unknown."
+		WarningPrompt
+	fi
+}
+#################################################################
+TestFileSystemExit ()
+{
+INPUT_FILE=$1
+WORKING_DIR=$2
+	echo " Testing file system of $WORKING_DIR ..."
+	mkdir -p "$WORKING_DIR" >> /dev/null 2>&1
+	rm "$WORKING_DIR/test12345612.tmp" >> /dev/null 2>&1
+	echo test > "$WORKING_DIR/test12345612.tmp"
+	if [ -e "$WORKING_DIR/teST12345612.tmp" ]; then
+		echo "  WARNING: File system $WORKING_DIR is not case sensitive."		
+		echo "      For some firmwares this can cause troubles in the"
+		echo "      built images that result in runtime errata or"
+		echo "      even refuse to boot."
+		if [ $EXIT_ON_FS_PROBLEM = "1" ]; then
+			rm "$WORKING_DIR/test12345612.tmp" >> /dev/null 2>&1
+			exit 2
+		else
+			WarningPrompt				
+		fi	
+	fi	
+	if [ ! -e "$WORKING_DIR/test12345612.tmp" ]; then
+		echo "  ERROR: File system $WORKING_DIR is not writable."
+		rm "$WORKING_DIR/test12345612.tmp" >> /dev/null 2>&1
+		exit 3
+	fi
+	rm "$WORKING_DIR/test12345612.tmp" >> /dev/null 2>&1
+}
+#################################################################
+# LinkToolsBinraries (srcfolder, destfolder)
+#LinkToolsBinaries ()
+#{
+## deprecated v0.44
+#	ln -s -f $1/asustrx $2/asustrx
+#	ln -s -f $1/untrx $2/untrx
+#	ln -s -f $1/mksquashfs $2/mksquashfs
+#	ln -s -f $1/mksquashfs-lzma $2/mksquashfs-lzma	
+#	ln -s -f $1/unsquashfs $2/unsquashfs
+#	ln -s -f $1/unsquashfs-lzma $2/unsquashfs-lzma
+#	ln -s -f $1/addpattern $2/addpattern	
+#}
+
+#################################################################
+
+CleanCWD ()
+{
+	make clean >> cleanup.log 2>&1
+	rm -f src/*.log  >> cleanup.log 2>&1
+	rm -f *.log  >> cleanup.log 2>&1
+	rm -f *.o >> cleanup.log 2>&1
+	rm -f asustrx >> cleanup.log 2>&1
+	rm -f trx >> cleanup.log 2>&1
+	rm -f untrx >> cleanup.log 2>&1
+	rm -f addpattern >> cleanup.log 2>&1
+	rm -f mksquashfs >> cleanup.log 2>&1
+	rm -f mksquashfs-lzma >> cleanup.log 2>&1
+	rm -f unsquashfs >> cleanup.log 2>&1
+	rm -f unsquashfs-lzma >> cleanup.log 2>&1
+	# cygwin
+	rm -f asustrx.exe >> cleanup.log 2>&1
+	rm -f trx.exe >> cleanup.log 2>&1
+	rm -f untrx.edxe >> cleanup.log 2>&1
+	rm -f addpattern.exe >> cleanup.log 2>&1
+	rm -f mksquashfs.exe >> cleanup.log 2>&1
+	rm -f mksquashfs-lzma.exe >> cleanup.log 2>&1
+	rm -f unsquashfs.exe >> cleanup.log 2>&1
+	rm -f unsquashfs-lzma.exe >> cleanup.log 2>&1
+	# old name for untrx, deprecated
+	rm -f extfirmware* >> cleanup.log 2>&1
+	# trx replaced with asustrx
+	rm -f trx.c >> cleanup.log 2>&1
+}
+
+Cleanup ()
+{
+	CleanCWD
+	cd src
+	CleanCWD
+	cd ..
+}
+
+#################################################################
+# BuildTools ( LOG_FILE )
+#
+#
+BuildTools ()
+{
+	local LOG_FILE="$1"
+	#################################################################
+	echo " Building tools ..."
+	#make -C src > $LOG_FILE 2>&1
+	cd src
+	./configure && make > $LOG_FILE 2>&1
+	cd -
+
+	if [ $? = 0 ]; then
+		echo " Build seems successful."
+	else
+		echo " ERROR - Build did not succeed. Check log file, you are probably"
+		echo "         missing one or more necessary pre-requisites. See docs for"
+		echo "         a list of pre-requsites."
+		if [ -e "src/untrx" ]; then
+			echo " CONTINUING anyway, attempting to use pre-built binaries (x32 linux)"	
+		else
+			exit 1
+		fi
+	fi
+	#################################################################
+	local UNAME2=`uname`
+	if [ `expr "$UNAME2" : "CYGWIN"` = 6 ]; then
+		ln -s -f "src/asustrx.exe" "src/asustrx" >> $LOG_FILE 2>&1
+		ln -s -f "src/untrx.exe" "src/untrx" >> $LOG_FILE 2>&1
+		ln -s -f "src/addpattern.exe" "src/addpattern" >> $LOG_FILE 2>&1
+		ln -s -f "src/squashfs-3.0/mksquashfs-lzma.exe" "src/squashfs-3.0/mksquashfs-lzma"  >> $LOG_FILE 2>&1
+		ln -s -f "src/squashfs-3.0/unsquashfs-lzma.exe" "src/squashfs-3.0/unsquashfs-lzma"  >> $LOG_FILE 2>&1
+		ln -s -f "src/squashfs-3.0/mksquashfs.exe" "src/squashfs-3.0/mksquashfs"  >> $LOG_FILE 2>&1
+		ln -s -f "src/squashfs-3.0/unsquashfs.exe" "src/squashfs-3.0/unsquashfs"  >> $LOG_FILE 2>&1
+	fi
+	#################################################################
+	# cygwin: this can not be called before above block (no *. bins exist)
+	#LinkToolsBinaries "src" "."
+}
+#################################################################
+# DeprecateOldVersion ()
+#
+# This is to automatically cleanup stuff that's been moved or removed
+#  since older versions. Aren't I nice?
+# 
+DeprecateOldVersion ()
+{
+		echo " Detected leftover stuff from an old version, cleaning"
+		mkdir "src_backup"  >> upgrade.log 2>&1
+		mv "*.c" "src_old_backup"  >> upgrade.log 2>&1
+		mv "*.h" "src_old_backup" >> upgrade.log 2>&1
+		mv "lzma" "src_old_backup" >> upgrade.log 2>&1
+		mv "Makefile" "src_old_backup" >> upgrade.log 2>&1
+		mv src/cramfs-1.1 src_backup/  >> upgrade.log 2>&1
+		# remove symbolic links from v0.43 and below
+		rm "mksquashfs" >> upgrade.log 2>&1
+		rm "unsquashfs" >> upgrade.log 2>&1
+		rm "mksquashfs-lzma" >> upgrade.log 2>&1
+		rm "unsquashfs-lzma" >> upgrade.log 2>&1
+		rm "untrx" >> upgrade.log 2>&1
+		rm "asustrx" >> upgrade.log 2>&1
+		rm "addpattern" >> upgrade.log 2>&1
+		# remove old sources
+		mv src/untrx.c src_old_backup >> upgrade.log 2>&1
+		mv src/mksquashfs* src_old_backup >> upgrade.log 2>&1
+		mv src/unsquashfs* src_old_backup >> upgrade.log 2>&1
+		mv src/read_* src_old_backup >> upgrade.log 2>&1
+		mv src/sort* src_old_backup >> upgrade.log 2>&1
+		mv src/global.h src_old_backup >> upgrade.log 2>&1
+		Cleanup			
+}
+
+
+TestIsRootAndExitIfNot()
+{	
+	if [ $(id -u) != "0" ]; then
+		echo " ERROR: You must be 'root' when extracting and building some images."
+		echo "        This is because some images need to create devices in your fs."
+		echo "        For DD-WRT, do NOT extract or build as root, use standard user."
+		exit 1
+	fi
+}
+
+TestIsRoot()
+{	
+	if [ $(id -u) != "0" ]; then
+		echo " WARNING: You must be 'root' when extracting and building some images."
+		echo "          This is because some images need to create devices in your fs."
+		echo "          For DD-WRT, do NOT extract or build as root, use standard user."
+	fi
+}