stty is more compatible and does not require any additional dependancies for busybox

automated install/basic-install.sh

@@ -33,8 +33,8 @@ IPv4_address=""
 IPv6_address=""
 
 # Find the rows and columns
-rows=$(tput lines)
-columns=$(tput cols)
+rows=$(stty size | awk '{print $1}')
+columns=$(stty size | awk '{print $2}')
 
 # Divide by two so the dialogs take up half of the screen, which looks nice.
 r=$(( rows / 2 ))