diff --git a/kiauh.sh b/kiauh.sh
index 6714d88..f25bfeb 100755
--- a/kiauh.sh
+++ b/kiauh.sh
@@ -10,26 +10,6 @@ red=$(echo -en "\001\033[01;31m\002")
 cyan=$(echo -en "\001\033[01;36m\002")
 default=$(echo -en "\001\033[0m\002")
 
-### set some messages
-warn_msg(){
-  echo -e "${red}<!!!!> $1${default}"
-}
-status_msg(){
-  echo; echo -e "${yellow}###### $1${default}"
-}
-ok_msg(){
-  echo -e "${green}>>>>>> $1${default}"
-}
-title_msg(){
-  echo -e "${cyan}$1${default}"
-}
-get_date(){
-  current_date=$(date +"%Y-%m-%d_%H-%M")
-}
-print_unkown_cmd(){
-  ERROR_MSG=" Sorry i don't know that command!"
-}
-
 ### set important directories
 #klipper
 KLIPPER_DIR=${HOME}/klipper
@@ -40,8 +20,6 @@ KLIPPER_SERVICE2=/etc/default/klipper
 DWC2FK_DIR=${HOME}/dwc2-for-klipper
 DWC2_DIR=${HOME}/sdcard/dwc2
 WEB_DWC2=${HOME}/klipper/klippy/extras/web_dwc2.py
-TORNADO_DIR1=${HOME}/klippy-env/lib/python2.7/site-packages/tornado
-TORNADO_DIR2=${HOME}/klippy-env/lib/python2.7/site-packages/tornado-5.1.1.dist-info
 #mainsail/moonraker
 MAINSAIL_DIR=${HOME}/mainsail
 MOONRAKER_DIR=${HOME}/moonraker
@@ -69,6 +47,26 @@ BRANCH_MOONRAKER=Arksine/dev-moonraker-testing
 BRANCH_SCURVE_SMOOTHING=dmbutyugin/scurve-smoothing
 BRANCH_SCURVE_SHAPING=dmbutyugin/scurve-shaping
 
+### set some messages
+warn_msg(){
+  echo -e "${red}<!!!!> $1${default}"
+}
+status_msg(){
+  echo; echo -e "${yellow}###### $1${default}"
+}
+ok_msg(){
+  echo -e "${green}>>>>>> $1${default}"
+}
+title_msg(){
+  echo -e "${cyan}$1${default}"
+}
+get_date(){
+  current_date=$(date +"%Y-%m-%d_%H-%M")
+}
+print_unkown_cmd(){
+  ERROR_MSG=" Sorry i don't know that command!"
+}
+
 print_msg(){
   if [[ "$ERROR_MSG" != "" ]]; then
     echo -e "${red}"
@@ -87,442 +85,14 @@ print_msg(){
 }
 
 clear_msg(){
-  CONFIRM_MSG="" && ERROR_MSG=""
-}
-
-main_menu(){
-  print_header
-  #print KIAUH update msg if update available
-    if [ "$KIAUH_UPDATE_AVAIL" = "true" ]; then
-      kiauh_update_msg
-    fi
-  #check install status
-    klipper_status
-    dwc2_status
-    mainsail_status
-    octoprint_status
-    print_branch
-  print_msg && clear_msg
-  main_ui
-  while true; do
-    echo -e "${cyan}"
-    read -p "Perform action: " action; echo
-    echo -e "${default}"
-    case "$action" in
-      update)
-        clear
-        print_header
-        update_kiauh
-        print_msg && clear_msg
-        main_ui;;
-      0)
-        clear
-        print_header
-        ERROR_MSG="Sorry this function is not implemented yet!"
-        print_msg && clear_msg
-        main_ui;;
-      1)
-        clear
-        install_menu
-        break;;
-      2)
-        clear
-        update_menu
-        break;;
-      3)
-        clear
-        remove_menu
-        break;;
-      4)
-        clear
-        advanced_menu
-        break;;
-      5)
-        clear
-        backup_menu
-        break;;
-      Q|q)
-        echo -e "${green}###### Happy printing! ######${default}"; echo
-        exit -1;;
-      *)
-        clear
-        print_header
-        print_unkown_cmd
-        print_msg && clear_msg
-        main_ui;;
-    esac
-  done
-  clear; main_menu
-}
-
-install_menu(){
-  print_header
-  install_ui
-  while true; do
-    echo -e "${cyan}"
-    read -p "Perform action: " action; echo
-    echo -e "${default}"
-    case "$action" in
-      1)
-        clear
-        print_header
-        install_klipper
-        print_msg && clear_msg
-        install_ui;;
-      2)
-        clear
-        print_header
-        install_moonraker
-        print_msg && clear_msg
-        install_ui;;
-      3)
-        clear
-        print_header
-        install_dwc2
-        print_msg && clear_msg
-        install_ui;;
-      4)
-        clear
-        print_header
-        INST_MAINSAIL="true" && install_mainsail
-        print_msg && clear_msg
-        install_ui;;
-      5)
-        clear
-        print_header
-        install_octoprint
-        print_msg && clear_msg
-        install_ui;;
-      Q|q)
-        clear; main_menu; break;;
-      *)
-        clear
-        print_header
-        print_unkown_cmd
-        print_msg && clear_msg
-        install_ui;;
-    esac
-  done
-  install_menu
-}
-
-update_menu(){
-  print_header
-  #compare versions
-    ui_print_versions
-  print_msg && clear_msg
-  read_bb4u_stat
-  update_ui
-  while true; do
-    echo -e "${cyan}"
-    read -p "Perform action: " action; echo
-    echo -e "${default}"
-    case "$action" in
-      0)
-        clear
-        print_header
-        toggle_backups
-        print_msg && clear_msg
-        update_ui;;
-      1)
-        clear
-        print_header
-        update_klipper && ui_print_versions
-        print_msg && clear_msg
-        update_ui;;
-      2)
-        clear
-        print_header
-        update_dwc2fk && ui_print_versions
-        print_msg && clear_msg
-        update_ui;;
-      3)
-        clear
-        print_header
-        update_dwc2 && ui_print_versions
-        print_msg && clear_msg
-        update_ui;;
-      4)
-        clear
-        print_header
-        update_moonraker && ui_print_versions
-        print_msg && clear_msg
-        update_ui;;
-      5)
-        clear
-        print_header
-        update_mainsail && ui_print_versions
-        print_msg && clear_msg
-        update_ui;;
-      Q|q)
-        clear; main_menu; break;;
-      *)
-        clear
-        print_header
-        print_unkown_cmd
-        print_msg && clear_msg
-        ui_print_versions
-        update_ui;;
-    esac
-  done
-  update_menu
-}
-
-remove_menu(){
-  print_header
-  remove_ui
-  while true; do
-    echo -e "${cyan}"
-    read -p "Perform action: " action; echo
-    echo -e "${default}"
-    case "$action" in
-      1)
-        clear
-        print_header
-        remove_klipper
-        print_msg && clear_msg
-        remove_ui;;
-      2)
-        clear
-        print_header
-        remove_moonraker
-        print_msg && clear_msg
-        remove_ui;;
-      3)
-        clear
-        print_header
-        remove_dwc2
-        print_msg && clear_msg
-        remove_ui;;
-      4)
-        clear
-        print_header
-        remove_mainsail
-        print_msg && clear_msg
-        remove_ui;;
-      5)
-        clear
-        print_header
-        remove_octoprint
-        print_msg && clear_msg
-        remove_ui;;
-      6)
-        clear
-        print_header
-        remove_nginx
-        print_msg && clear_msg
-        remove_ui;;
-      Q|q)
-        clear; main_menu; break;;
-      *)
-        clear
-        print_header
-        print_unkown_cmd
-        print_msg && clear_msg
-        remove_ui;;
-    esac
-  done
-  remove_menu
-}
-
-advanced_menu(){
-  print_header
-  print_msg && clear_msg
-  read_octoprint_service_status
-  advanced_ui
-  while true; do
-    echo -e "${cyan}"
-    read -p "Perform action: " action; echo
-    echo -e "${default}"
-    case "$action" in
-      0)
-        clear
-        print_header
-        toggle_octoprint_service
-        read_octoprint_service_status
-        print_msg && clear_msg
-        advanced_ui;;
-      1)
-        clear
-        print_header
-        switch_menu
-        print_msg && clear_msg
-        advanced_ui;;
-      2)
-        clear
-        print_header
-        load_klipper_state
-        print_msg && clear_msg
-        advanced_ui;;
-      3)
-        clear
-        print_header
-        build_fw
-        print_msg && clear_msg
-        advanced_ui;;
-      4)
-        clear
-        print_header
-        flash_routine
-        print_msg && clear_msg
-        advanced_ui;;
-      5)
-        clear
-        print_header
-        get_printer_usb
-        print_msg && clear_msg
-        advanced_ui;;
-      6)
-        clear
-        print_header
-        get_printer_usb && write_printer_usb
-        print_msg && clear_msg
-        advanced_ui;;
-      7)
-        clear
-        print_header
-        create_dwc2fk_cfg
-        print_msg && clear_msg
-        advanced_ui;;
-      8)
-        clear
-        print_header
-        create_custom_hostname
-        print_msg && clear_msg
-        advanced_ui;;
-      9)
-        clear
-        print_header
-        remove_branding
-        print_msg && clear_msg
-        advanced_ui;;
-      Q|q)
-        clear; main_menu; break;;
-      *)
-        clear
-        print_header
-        print_unkown_cmd
-        print_msg && clear_msg
-        advanced_ui;;
-    esac
-  done
-  advanced_menu
-}
-
-switch_menu(){
-  if [ -d $KLIPPER_DIR ]; then
-    read_branch
-    print_msg && clear_msg
-    switch_ui
-    while true; do
-      echo -e "${cyan}"
-      read -p "Perform action: " action; echo
-      echo -e "${default}"
-      case "$action" in
-        1)
-          clear
-          print_header
-          switch_to_origin
-          read_branch
-          print_msg && clear_msg
-          switch_ui;;
-        2)
-          clear
-          print_header
-          switch_to_scurve_shaping
-          read_branch
-          print_msg && clear_msg
-          switch_ui;;
-        3)
-          clear
-          print_header
-          switch_to_scurve_smoothing
-          read_branch
-          print_msg && clear_msg
-          switch_ui;;
-        4)
-          clear
-          print_header
-          switch_to_moonraker
-          read_branch
-          print_msg && clear_msg
-          switch_ui;;
-        Q|q)
-          clear; advanced_menu; break;;
-        *)
-          clear
-          print_header
-          print_unkown_cmd
-          print_msg && clear_msg
-          switch_ui;;
-      esac
-    done
-  else
-    ERROR_MSG="No Klipper directory found! Download Klipper first!"
-  fi
-}
-
-#rollback_menu(){
-#  load_klipper_state
-#  print_msg && clear_msg
-#  advanced_menu
-#}
-
-backup_menu(){
-  print_header
-  print_msg && clear_msg
-  backup_ui
-  while true; do
-    echo -e "${cyan}"
-    read -p "Perform action: " action; echo
-    echo -e "${default}"
-    case "$action" in
-      1)
-        clear
-        print_header
-        backup_klipper
-        print_msg && clear_msg
-        backup_ui;;
-      2)
-        clear
-        print_header
-        backup_dwc2
-        print_msg && clear_msg
-        backup_ui;;
-      3)
-        clear
-        print_header
-        backup_mainsail
-        print_msg && clear_msg
-        backup_ui;;
-      4)
-        clear
-        print_header
-        backup_moonraker
-        print_msg && clear_msg
-        backup_ui;;
-      5)
-        clear
-        print_header
-        backup_octoprint
-        print_msg && clear_msg
-        backup_ui;;
-      Q|q)
-        clear; main_menu; break;;
-      *)
-        clear
-        print_header
-        print_unkown_cmd
-        print_msg && clear_msg
-        backup_ui;;
-    esac
-  done
-  backup_menu
+  unset CONFIRM_MSG
+  unset ERROR_MSG
 }
 
 ### sourcing all additional scripts
 SRCDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
-for script in "${SRCDIR}/kiauh/scripts/"*; do . $script; done
+for script in "${SRCDIR}/kiauh/scripts/"*.sh; do . $script; done
+for script in "${SRCDIR}/kiauh/scripts/ui/"*.sh; do . $script; done
 
 check_euid
 kiauh_status
diff --git a/scripts/ui.sh b/scripts/ui.sh
deleted file mode 100755
index f8ea188..0000000
--- a/scripts/ui.sh
+++ /dev/null
@@ -1,190 +0,0 @@
-### set up some UI stuff
-
-#ui total width = 57 chars
-top_border(){
-  echo -e "/=======================================================\ "
-}
-
-bottom_border(){
-  echo -e "\=======================================================/"
-}
-
-hr(){
-  echo -e "|-------------------------------------------------------|"
-}
-
-quit_footer(){
-  hr
-  echo -e "|                        ${red}Q) Quit${default}                        | "
-  bottom_border
-  echo -e "                                          KIAUH: $CURR_KIAUH_BRANCH"
-}
-
-print_header(){
-  top_border
-  echo -e "|     $(title_msg "~~~~~~~~~~~~~~~~~ [ KIAUH ] ~~~~~~~~~~~~~~~~~")     |"
-  echo -e "|     $(title_msg "   Klipper Installation And Update Helper    ")     |"
-  echo -e "|     $(title_msg "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~")     |"
-  bottom_border
-}
-
-main_ui(){
-  top_border
-  echo -e "|     $(title_msg "~~~~~~~~~~~~~~~ [ Main Menu ] ~~~~~~~~~~~~~~~")     |"
-  hr
-  echo -e "|                      |                                |"
-  echo -e "|  1) [Install]        |    Klipper: $KLIPPER_STATUS|"
-  echo -e "|  2) [Update]         |     Branch: ${cyan}$PRINT_BRANCH${default}|"
-  echo -e "|  3) [Remove]         |                                |"
-  echo -e "|                      |       DWC2: $DWC2_STATUS|"
-  echo -e "|  4) [Advanced]       |   Mainsail: $MAINSAIL_STATUS|"
-  echo -e "|  5) [Backup]         |  Octoprint: $OCTOPRINT_STATUS|"
-  echo -e "|                      |                                |"
-  quit_footer
-}
-
-install_ui(){
-  top_border
-  echo -e "|     ${green}~~~~~~~~~~~ [ Installation Menu ] ~~~~~~~~~~~${default}     | "
-  hr
-  echo -e "|  You need this menu usually only for installing       | "
-  echo -e "|  all necessary dependencies for the various           | "
-  echo -e "|  functions on a completely fresh system.              | "
-  hr
-  echo -e "|  Firmware:             |  Webinterface:               | "
-  echo -e "|  1) [Klipper]          |  3) [DWC2]                   | "
-  echo -e "|                        |  4) [Mainsail]               | "
-  echo -e "|  Klipper API:          |  5) [Octoprint]              | "
-  echo -e "|  2) [Moonraker]        |                              | "
-  quit_footer
-}
-
-update_ui(){
-  top_border
-  echo -e "|     ${green}~~~~~~~~~~~~~~ [ Update Menu ] ~~~~~~~~~~~~~~${default}     | "
-  hr
-  echo -e "|  It is a good idea to check the following website     | "
-  echo -e "|  for important software changes to the config file    | "
-  echo -e "|  >> BEFORE << updating your klipper installation:     | "
-  echo -e "|                                                       | "
-  echo -e "|  ${yellow}https://www.klipper3d.org/Config_Changes.html${default}        | "
-  bottom_border
-  top_border
-  echo -e "|  0) $BB4U_STATUS| "
-  hr
-  echo -e "|                        |  Local Vers:  | Remote Vers: | "
-  echo -e "|  Firmware:             |               |              | "
-  echo -e "|  1) [Klipper]          |  $(echo "$LOCAL_COMMIT")     | $(echo "$REMOTE_COMMIT")     | "
-  echo -e "|                        |               |              | "
-  echo -e "|  Webinterface:         |---------------|--------------| "
-  echo -e "|  2) [DWC2-for-Klipper] |  $(echo "$LOCAL_DWC2FK_COMMIT")     | $(echo "$REMOTE_DWC2FK_COMMIT")     | "
-  echo -e "|  3) [DWC2 Web UI]      |  $(echo "$DWC2_LOCAL_VER")        | $(echo "$DWC2_REMOTE_VER")        | "
-  echo -e "|                        |---------------|--------------| "
-  echo -e "|  4) [Moonraker]        |  $(echo "$LOCAL_MOONRAKER_COMMIT")     | $(echo "$REMOTE_MOONRAKER_COMMIT")     | "
-  echo -e "|  5) [Mainsail]         |  $(echo "$MAINSAIL_LOCAL_VER")        | $(echo "$MAINSAIL_REMOTE_VER")        | "
-  quit_footer
-}
-
-remove_ui(){
-  top_border
-  echo -e "|     ${red}~~~~~~~~~~~~~~ [ Remove Menu ] ~~~~~~~~~~~~~~${default}     | "
-  hr
-  echo -e "|  Files and directories which remain untouched:        | "
-  echo -e "|  --> ~/printer.cfg                                    | "
-  echo -e "|  --> ~/klipper_config                                 | "
-  echo -e "|  --> ~/kiauh-backups                                  | "
-  echo -e "|  You need remove them manually if you wish so.        | "
-  hr
-  echo -e "|  Firmware:             |  Webinterface:               | "
-  echo -e "|  1) [Klipper]          |  3) [DWC2]                   | "
-  echo -e "|                        |  4) [Mainsail]               | "
-  echo -e "|  Klipper API:          |  5) [Octoprint]              | "
-  echo -e "|  2) [Moonraker]        |                              | "
-  echo -e "|                        |  Webserver:                  | "
-  echo -e "|                        |  6) [Nginx]                  | "
-  quit_footer
-}
-
-advanced_ui(){
-  top_border
-  echo -e "|     ${yellow}~~~~~~~~~~~~~ [ Advanced Menu ] ~~~~~~~~~~~~~${default}     | "
-  hr
-  echo -e "|  0) $OPRINT_SERVICE_STATUS| "
-  hr
-  echo -e "|                           |                           | "
-  echo -e "|  Klipper:                 |  System:                  | "
-  echo -e "|  1) [Switch Version]      |  8) [Change hostname]     | "
-  echo -e "|  2) [Rollback]            |                           | "
-  echo -e "|                           |  Mainsail:                | "
-  echo -e "|  Firmware:                |  9) [Remove branding]     | "
-  echo -e "|  3) [Build Firmware]      |                           | "
-  echo -e "|  4) [Flash MCU]           |                           | "
-  echo -e "|  5) [Get Printer-USB]     |                           | "
-  echo -e "|  6) [Write Printer-USB]   |                           | "
-  echo -e "|  7) [Write DWC2 config]   |                           | "
-  echo -e "|                           |                           | "
-quit_footer
-}
-
-backup_ui(){
-  top_border
-  echo -e "|     $(title_msg "~~~~~~~~~~~~~~ [ Backup Menu ] ~~~~~~~~~~~~~~")     | "
-  hr
-  echo -e "|           ${yellow}Backup location: ~/kiauh-backups${default}            | "
-  hr
-  echo -e "|  Firmware:                                            | "
-  echo -e "|  1) [Klipper]                                         | "
-  echo -e "|                                                       | "
-  echo -e "|  Webinterface:                                        | "
-  echo -e "|  2) [DWC2 Web UI]                                     | "
-  echo -e "|                                                       | "
-  echo -e "|  3) [Mainsail]                                        | "
-  echo -e "|  4) [Moonraker]                                       | "
-  echo -e "|                                                       | "
-  echo -e "|  5) [OctoPrint]                                       | "
-  echo -e "|                                                       | "
-  quit_footer
-}
-
-switch_ui(){
-  top_border
-  echo -e "|     $(title_msg "~~~~~~~~~ [ Switch Klipper Branch ] ~~~~~~~~~")     |"
-  bottom_border
-  echo
-  echo -e " $(title_msg "Active Branch: ")${green}$GET_BRANCH${default}"
-  echo
-  top_border
-  echo -e "|  1) [--> origin/master]                               | "
-  echo -e "|                                                       | "
-  echo -e "|  2) [--> scurve-shaping]                              | "
-  echo -e "|  3) [--> scurve-smoothing]                            | "
-  echo -e "|                                                       | "
-  echo -e "|  4) [--> moonraker]                                   | "
-  quit_footer
-}
-
-kiauh_update_msg(){
-  top_border
-  echo -e "|  ${yellow}There is a newer version of this script available!${default}   | "
-  echo -e "|  ${yellow}Type 'update' if you want to update KIAUH now.${default}       | "
-  bottom_border
-}
-
-rollback_ui(){
-  top_border
-  echo -e "|     $(title_msg "~~~~~~~~~~~~~ [ Rollback Menu ] ~~~~~~~~~~~~~")     | "
-  hr
-  echo -e "|  If serious errors occured after updating Klipper,    | "
-  echo -e "|  you can use this menu to return to the previously    | "
-  echo -e "|  used commit from which you have updated.             | "
-  bottom_border
-  top_border
-  echo -e "|  Active branch: ${green}$PRINT_BRANCH${default}                   | "
-  hr
-  echo -e "|  Currently on commit:                                 | "
-  echo -e "|  $CURR_UI                             | "
-  hr
-  echo -e "|  Commit last updated from:                            | "
-  echo -e "|  $PREV_UI                             | "
-  quit_footer
-}
\ No newline at end of file
diff --git a/scripts/ui/advanced_menu.sh b/scripts/ui/advanced_menu.sh
new file mode 100755
index 0000000..9508328
--- /dev/null
+++ b/scripts/ui/advanced_menu.sh
@@ -0,0 +1,205 @@
+advanced_ui(){
+  top_border
+  echo -e "|     ${yellow}~~~~~~~~~~~~~ [ Advanced Menu ] ~~~~~~~~~~~~~${default}     | "
+  hr
+  echo -e "|  0) $OPRINT_SERVICE_STATUS| "
+  hr
+  echo -e "|                           |                           | "
+  echo -e "|  Klipper:                 |  System:                  | "
+  echo -e "|  1) [Switch Version]      |  8) [Change hostname]     | "
+  echo -e "|  2) [Rollback]            |                           | "
+  echo -e "|                           |  Mainsail:                | "
+  echo -e "|  Firmware:                |  9) [Remove branding]     | "
+  echo -e "|  3) [Build Firmware]      |                           | "
+  echo -e "|  4) [Flash MCU]           |  Extensions:              | "
+  echo -e "|  5) [Get Printer-USB]     |  10) [Shell Command]      | "
+  echo -e "|  6) [Write Printer-USB]   |                           | "
+  echo -e "|  7) [Write DWC2 config]   |                           | "
+  echo -e "|                           |                           | "
+quit_footer
+}
+
+advanced_menu(){
+  print_header
+  print_msg && clear_msg
+  read_octoprint_service_status
+  advanced_ui
+  while true; do
+    echo -e "${cyan}"
+    read -p "Perform action: " action; echo
+    echo -e "${default}"
+    case "$action" in
+      0)
+        clear
+        print_header
+        toggle_octoprint_service
+        read_octoprint_service_status
+        print_msg && clear_msg
+        advanced_ui;;
+      1)
+        clear
+        print_header
+        switch_menu
+        print_msg && clear_msg
+        advanced_ui;;
+      2)
+        clear
+        print_header
+        load_klipper_state
+        print_msg && clear_msg
+        advanced_ui;;
+      3)
+        clear
+        print_header
+        build_fw
+        print_msg && clear_msg
+        advanced_ui;;
+      4)
+        clear
+        print_header
+        flash_routine
+        print_msg && clear_msg
+        advanced_ui;;
+      5)
+        clear
+        print_header
+        get_printer_usb
+        print_msg && clear_msg
+        advanced_ui;;
+      6)
+        clear
+        print_header
+        get_printer_usb && write_printer_usb
+        print_msg && clear_msg
+        advanced_ui;;
+      7)
+        clear
+        print_header
+        create_dwc2fk_cfg
+        print_msg && clear_msg
+        advanced_ui;;
+      8)
+        clear
+        print_header
+        create_custom_hostname
+        print_msg && clear_msg
+        advanced_ui;;
+      9)
+        clear
+        print_header
+        remove_branding
+        print_msg && clear_msg
+        advanced_ui;;
+      10)
+        clear
+        print_header
+        install_extension_shell_command
+        print_msg && clear_msg
+        advanced_ui;;
+      Q|q)
+        clear; main_menu; break;;
+      *)
+        clear
+        print_header
+        print_unkown_cmd
+        print_msg && clear_msg
+        advanced_ui;;
+    esac
+  done
+  advanced_menu
+}
+
+#############################################################
+#############################################################
+
+switch_ui(){
+  top_border
+  echo -e "|     $(title_msg "~~~~~~~~~ [ Switch Klipper Branch ] ~~~~~~~~~")     |"
+  bottom_border
+  echo
+  echo -e " $(title_msg "Active Branch: ")${green}$GET_BRANCH${default}"
+  echo
+  top_border
+  echo -e "|  1) [--> origin/master]                               | "
+  echo -e "|                                                       | "
+  echo -e "|  2) [--> scurve-shaping]                              | "
+  echo -e "|  3) [--> scurve-smoothing]                            | "
+  echo -e "|                                                       | "
+  echo -e "|  4) [--> moonraker]                                   | "
+  quit_footer
+}
+
+switch_menu(){
+  if [ -d $KLIPPER_DIR ]; then
+    read_branch
+    print_msg && clear_msg
+    switch_ui
+    while true; do
+      echo -e "${cyan}"
+      read -p "Perform action: " action; echo
+      echo -e "${default}"
+      case "$action" in
+        1)
+          clear
+          print_header
+          switch_to_origin
+          read_branch
+          print_msg && clear_msg
+          switch_ui;;
+        2)
+          clear
+          print_header
+          switch_to_scurve_shaping
+          read_branch
+          print_msg && clear_msg
+          switch_ui;;
+        3)
+          clear
+          print_header
+          switch_to_scurve_smoothing
+          read_branch
+          print_msg && clear_msg
+          switch_ui;;
+        4)
+          clear
+          print_header
+          switch_to_moonraker
+          read_branch
+          print_msg && clear_msg
+          switch_ui;;
+        Q|q)
+          clear; advanced_menu; break;;
+        *)
+          clear
+          print_header
+          print_unkown_cmd
+          print_msg && clear_msg
+          switch_ui;;
+      esac
+    done
+  else
+    ERROR_MSG="No Klipper directory found! Download Klipper first!"
+  fi
+}
+
+#############################################################
+#############################################################
+
+rollback_ui(){
+  top_border
+  echo -e "|     $(title_msg "~~~~~~~~~~~~~ [ Rollback Menu ] ~~~~~~~~~~~~~")     | "
+  hr
+  echo -e "|  If serious errors occured after updating Klipper,    | "
+  echo -e "|  you can use this menu to return to the previously    | "
+  echo -e "|  used commit from which you have updated.             | "
+  bottom_border
+  top_border
+  echo -e "|  Active branch: ${green}$PRINT_BRANCH${default}                   | "
+  hr
+  echo -e "|  Currently on commit:                                 | "
+  echo -e "|  $CURR_UI                             | "
+  hr
+  echo -e "|  Commit last updated from:                            | "
+  echo -e "|  $PREV_UI                             | "
+  quit_footer
+}
diff --git a/scripts/ui/backup_menu.sh b/scripts/ui/backup_menu.sh
new file mode 100755
index 0000000..5738821
--- /dev/null
+++ b/scripts/ui/backup_menu.sh
@@ -0,0 +1,71 @@
+backup_ui(){
+  top_border
+  echo -e "|     $(title_msg "~~~~~~~~~~~~~~ [ Backup Menu ] ~~~~~~~~~~~~~~")     | "
+  hr
+  echo -e "|           ${yellow}Backup location: ~/kiauh-backups${default}            | "
+  hr
+  echo -e "|  Firmware:                                            | "
+  echo -e "|  1) [Klipper]                                         | "
+  echo -e "|                                                       | "
+  echo -e "|  Webinterface:                                        | "
+  echo -e "|  2) [DWC2 Web UI]                                     | "
+  echo -e "|                                                       | "
+  echo -e "|  3) [Mainsail]                                        | "
+  echo -e "|  4) [Moonraker]                                       | "
+  echo -e "|                                                       | "
+  echo -e "|  5) [OctoPrint]                                       | "
+  echo -e "|                                                       | "
+  quit_footer
+}
+
+backup_menu(){
+  print_header
+  print_msg && clear_msg
+  backup_ui
+  while true; do
+    echo -e "${cyan}"
+    read -p "Perform action: " action; echo
+    echo -e "${default}"
+    case "$action" in
+      1)
+        clear
+        print_header
+        backup_klipper
+        print_msg && clear_msg
+        backup_ui;;
+      2)
+        clear
+        print_header
+        backup_dwc2
+        print_msg && clear_msg
+        backup_ui;;
+      3)
+        clear
+        print_header
+        backup_mainsail
+        print_msg && clear_msg
+        backup_ui;;
+      4)
+        clear
+        print_header
+        backup_moonraker
+        print_msg && clear_msg
+        backup_ui;;
+      5)
+        clear
+        print_header
+        backup_octoprint
+        print_msg && clear_msg
+        backup_ui;;
+      Q|q)
+        clear; main_menu; break;;
+      *)
+        clear
+        print_header
+        print_unkown_cmd
+        print_msg && clear_msg
+        backup_ui;;
+    esac
+  done
+  backup_menu
+}
diff --git a/scripts/ui/general_ui.sh b/scripts/ui/general_ui.sh
new file mode 100755
index 0000000..865af8d
--- /dev/null
+++ b/scripts/ui/general_ui.sh
@@ -0,0 +1,34 @@
+#ui total width = 57 chars
+top_border(){
+  echo -e "/=======================================================\ "
+}
+
+bottom_border(){
+  echo -e "\=======================================================/"
+}
+
+hr(){
+  echo -e "|-------------------------------------------------------|"
+}
+
+quit_footer(){
+  hr
+  echo -e "|                        ${red}Q) Quit${default}                        | "
+  bottom_border
+  echo -e "                                          KIAUH: $CURR_KIAUH_BRANCH"
+}
+
+print_header(){
+  top_border
+  echo -e "|     $(title_msg "~~~~~~~~~~~~~~~~~ [ KIAUH ] ~~~~~~~~~~~~~~~~~")     |"
+  echo -e "|     $(title_msg "   Klipper Installation And Update Helper    ")     |"
+  echo -e "|     $(title_msg "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~")     |"
+  bottom_border
+}
+
+kiauh_update_msg(){
+  top_border
+  echo -e "|  ${yellow}There is a newer version of this script available!${default}   | "
+  echo -e "|  ${yellow}Type 'update' if you want to update KIAUH now.${default}       | "
+  bottom_border
+}
diff --git a/scripts/ui/install_menu.sh b/scripts/ui/install_menu.sh
new file mode 100755
index 0000000..8e0ec75
--- /dev/null
+++ b/scripts/ui/install_menu.sh
@@ -0,0 +1,66 @@
+install_ui(){
+  top_border
+  echo -e "|     ${green}~~~~~~~~~~~ [ Installation Menu ] ~~~~~~~~~~~${default}     | "
+  hr
+  echo -e "|  You need this menu usually only for installing       | "
+  echo -e "|  all necessary dependencies for the various           | "
+  echo -e "|  functions on a completely fresh system.              | "
+  hr
+  echo -e "|  Firmware:             |  Webinterface:               | "
+  echo -e "|  1) [Klipper]          |  3) [DWC2]                   | "
+  echo -e "|                        |  4) [Mainsail]               | "
+  echo -e "|  Klipper API:          |  5) [Octoprint]              | "
+  echo -e "|  2) [Moonraker]        |                              | "
+  quit_footer
+}
+
+install_menu(){
+  print_header
+  install_ui
+  while true; do
+    echo -e "${cyan}"
+    read -p "Perform action: " action; echo
+    echo -e "${default}"
+    case "$action" in
+      1)
+        clear
+        print_header
+        install_klipper
+        print_msg && clear_msg
+        install_ui;;
+      2)
+        clear
+        print_header
+        install_moonraker
+        print_msg && clear_msg
+        install_ui;;
+      3)
+        clear
+        print_header
+        install_dwc2
+        print_msg && clear_msg
+        install_ui;;
+      4)
+        clear
+        print_header
+        INST_MAINSAIL="true" && install_mainsail
+        print_msg && clear_msg
+        install_ui;;
+      5)
+        clear
+        print_header
+        install_octoprint
+        print_msg && clear_msg
+        install_ui;;
+      Q|q)
+        clear; main_menu; break;;
+      *)
+        clear
+        print_header
+        print_unkown_cmd
+        print_msg && clear_msg
+        install_ui;;
+    esac
+  done
+  install_menu
+}
diff --git a/scripts/ui/main_menu.sh b/scripts/ui/main_menu.sh
new file mode 100755
index 0000000..07d86c4
--- /dev/null
+++ b/scripts/ui/main_menu.sh
@@ -0,0 +1,79 @@
+main_ui(){
+  top_border
+  echo -e "|     $(title_msg "~~~~~~~~~~~~~~~ [ Main Menu ] ~~~~~~~~~~~~~~~")     |"
+  hr
+  echo -e "|                      |                                |"
+  echo -e "|  1) [Install]        |    Klipper: $KLIPPER_STATUS|"
+  echo -e "|  2) [Update]         |     Branch: ${cyan}$PRINT_BRANCH${default}|"
+  echo -e "|  3) [Remove]         |                                |"
+  echo -e "|                      |       DWC2: $DWC2_STATUS|"
+  echo -e "|  4) [Advanced]       |   Mainsail: $MAINSAIL_STATUS|"
+  echo -e "|  5) [Backup]         |  Octoprint: $OCTOPRINT_STATUS|"
+  echo -e "|                      |                                |"
+  quit_footer
+}
+
+main_menu(){
+  print_header
+  #print KIAUH update msg if update available
+    if [ "$KIAUH_UPDATE_AVAIL" = "true" ]; then
+      kiauh_update_msg
+    fi
+  #check install status
+    klipper_status
+    dwc2_status
+    mainsail_status
+    octoprint_status
+    print_branch
+  print_msg && clear_msg
+  main_ui
+  while true; do
+    echo -e "${cyan}"
+    read -p "Perform action: " action; echo
+    echo -e "${default}"
+    case "$action" in
+      update)
+        clear
+        print_header
+        update_kiauh
+        print_msg && clear_msg
+        main_ui;;
+      0)
+        clear
+        print_header
+        ERROR_MSG="Sorry this function is not implemented yet!"
+        print_msg && clear_msg
+        main_ui;;
+      1)
+        clear
+        install_menu
+        break;;
+      2)
+        clear
+        update_menu
+        break;;
+      3)
+        clear
+        remove_menu
+        break;;
+      4)
+        clear
+        advanced_menu
+        break;;
+      5)
+        clear
+        backup_menu
+        break;;
+      Q|q)
+        echo -e "${green}###### Happy printing! ######${default}"; echo
+        exit -1;;
+      *)
+        clear
+        print_header
+        print_unkown_cmd
+        print_msg && clear_msg
+        main_ui;;
+    esac
+  done
+  clear; main_menu
+}
diff --git a/scripts/ui/remove_menu.sh b/scripts/ui/remove_menu.sh
new file mode 100755
index 0000000..f0692b5
--- /dev/null
+++ b/scripts/ui/remove_menu.sh
@@ -0,0 +1,76 @@
+remove_ui(){
+  top_border
+  echo -e "|     ${red}~~~~~~~~~~~~~~ [ Remove Menu ] ~~~~~~~~~~~~~~${default}     | "
+  hr
+  echo -e "|  Files and directories which remain untouched:        | "
+  echo -e "|  --> ~/printer.cfg                                    | "
+  echo -e "|  --> ~/klipper_config                                 | "
+  echo -e "|  --> ~/kiauh-backups                                  | "
+  echo -e "|  You need remove them manually if you wish so.        | "
+  hr
+  echo -e "|  Firmware:             |  Webinterface:               | "
+  echo -e "|  1) [Klipper]          |  3) [DWC2]                   | "
+  echo -e "|                        |  4) [Mainsail]               | "
+  echo -e "|  Klipper API:          |  5) [Octoprint]              | "
+  echo -e "|  2) [Moonraker]        |                              | "
+  echo -e "|                        |  Webserver:                  | "
+  echo -e "|                        |  6) [Nginx]                  | "
+  quit_footer
+}
+
+remove_menu(){
+  print_header
+  remove_ui
+  while true; do
+    echo -e "${cyan}"
+    read -p "Perform action: " action; echo
+    echo -e "${default}"
+    case "$action" in
+      1)
+        clear
+        print_header
+        remove_klipper
+        print_msg && clear_msg
+        remove_ui;;
+      2)
+        clear
+        print_header
+        remove_moonraker
+        print_msg && clear_msg
+        remove_ui;;
+      3)
+        clear
+        print_header
+        remove_dwc2
+        print_msg && clear_msg
+        remove_ui;;
+      4)
+        clear
+        print_header
+        remove_mainsail
+        print_msg && clear_msg
+        remove_ui;;
+      5)
+        clear
+        print_header
+        remove_octoprint
+        print_msg && clear_msg
+        remove_ui;;
+      6)
+        clear
+        print_header
+        remove_nginx
+        print_msg && clear_msg
+        remove_ui;;
+      Q|q)
+        clear; main_menu; break;;
+      *)
+        clear
+        print_header
+        print_unkown_cmd
+        print_msg && clear_msg
+        remove_ui;;
+    esac
+  done
+  remove_menu
+}
diff --git a/scripts/ui/update_menu.sh b/scripts/ui/update_menu.sh
new file mode 100755
index 0000000..928311e
--- /dev/null
+++ b/scripts/ui/update_menu.sh
@@ -0,0 +1,87 @@
+update_ui(){
+  top_border
+  echo -e "|     ${green}~~~~~~~~~~~~~~ [ Update Menu ] ~~~~~~~~~~~~~~${default}     | "
+  hr
+  echo -e "|  It is a good idea to check the following website     | "
+  echo -e "|  for important software changes to the config file    | "
+  echo -e "|  >> BEFORE << updating your klipper installation:     | "
+  echo -e "|                                                       | "
+  echo -e "|  ${yellow}https://www.klipper3d.org/Config_Changes.html${default}        | "
+  bottom_border
+  top_border
+  echo -e "|  0) $BB4U_STATUS| "
+  hr
+  echo -e "|                        |  Local Vers:  | Remote Vers: | "
+  echo -e "|  Firmware:             |               |              | "
+  echo -e "|  1) [Klipper]          |  $(echo "$LOCAL_COMMIT")     | $(echo "$REMOTE_COMMIT")     | "
+  echo -e "|                        |               |              | "
+  echo -e "|  Webinterface:         |---------------|--------------| "
+  echo -e "|  2) [DWC2-for-Klipper] |  $(echo "$LOCAL_DWC2FK_COMMIT")     | $(echo "$REMOTE_DWC2FK_COMMIT")     | "
+  echo -e "|  3) [DWC2 Web UI]      |  $(echo "$DWC2_LOCAL_VER")        | $(echo "$DWC2_REMOTE_VER")        | "
+  echo -e "|                        |---------------|--------------| "
+  echo -e "|  4) [Moonraker]        |  $(echo "$LOCAL_MOONRAKER_COMMIT")     | $(echo "$REMOTE_MOONRAKER_COMMIT")     | "
+  echo -e "|  5) [Mainsail]         |  $(echo "$MAINSAIL_LOCAL_VER")        | $(echo "$MAINSAIL_REMOTE_VER")        | "
+  quit_footer
+}
+
+update_menu(){
+  print_header
+  #compare versions
+    ui_print_versions
+  print_msg && clear_msg
+  read_bb4u_stat
+  update_ui
+  while true; do
+    echo -e "${cyan}"
+    read -p "Perform action: " action; echo
+    echo -e "${default}"
+    case "$action" in
+      0)
+        clear
+        print_header
+        toggle_backups
+        print_msg && clear_msg
+        update_ui;;
+      1)
+        clear
+        print_header
+        update_klipper && ui_print_versions
+        print_msg && clear_msg
+        update_ui;;
+      2)
+        clear
+        print_header
+        update_dwc2fk && ui_print_versions
+        print_msg && clear_msg
+        update_ui;;
+      3)
+        clear
+        print_header
+        update_dwc2 && ui_print_versions
+        print_msg && clear_msg
+        update_ui;;
+      4)
+        clear
+        print_header
+        update_moonraker && ui_print_versions
+        print_msg && clear_msg
+        update_ui;;
+      5)
+        clear
+        print_header
+        update_mainsail && ui_print_versions
+        print_msg && clear_msg
+        update_ui;;
+      Q|q)
+        clear; main_menu; break;;
+      *)
+        clear
+        print_header
+        print_unkown_cmd
+        print_msg && clear_msg
+        ui_print_versions
+        update_ui;;
+    esac
+  done
+  update_menu
+}