diff --git a/scripts/sync_general.sh b/scripts/sync_general.sh
new file mode 100644
index 0000000..814bfc8
--- /dev/null
+++ b/scripts/sync_general.sh
@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+shopt -s expand_aliases
+source /sync/home_internal/.bash_aliases # FSCLEANUP -> zum besseren testen
+# source /sync/home_external/.bash_aliases
+
+
+sync () {
+   dry_run=false
+   home_or_root=
+   update=true
+   in_to_ex=
+   while [[ $# > 0 ]]; do
+      case $1 in
+         -d | --dry      ) dry_run=true;    shift;;
+         -c | --checksum ) update=false;    shift;;
+         --in-to-ex      ) in_to_ex=true;   shift;;
+         --ex-to-in      ) in_to_ex=false;  shift;;
+         --dir           ) home_or_root=$2; shift 2;;
+         *               ) break ;; # Anything else stops command line processing.
+      esac
+   done
+
+   dir_external=/sync/${home_or_root}_external/
+   dir_internal=/sync/${home_or_root}_internal/
+   # dry-run
+   if [[ "$dry_run" == true ]]; then
+      ex_to_in=
+      in_to_ex=
+      update_or_default=
+      if [[ "$update" == true ]]; then
+         update_or_default='UPDATE'
+         ex_to_in=$(rsync_update $dir_external $dir_internal --dry-run)
+         in_to_ex=$(rsync_update $dir_internal $dir_external --dry-run)
+      else
+         update_or_default='DEFAULT'
+         ex_to_in=$(rsync_default $dir_external $dir_internal --dry-run)
+         in_to_ex=$(rsync_default $dir_internal $dir_external --dry-run)
+      fi
+      # use printf for displaying \n as newline correctly
+      printf "RSYNC ${update_or_default}: external -> internal:\n\n$ex_to_in\n\nRSYNC ${update_or_default}: internal -> external:\n\n$in_to_ex\n"
+      exit 0;
+   fi
+
+   # real deal
+   if [[ -z "$in_to_ex" ]]; then
+      echo "Error. No sync direction given."
+      exit 1;
+   fi
+
+   if [[ "$update" == true ]]; then
+      if [[ "$in_to_ex" == true ]]; then
+         rsync_update $dir_internal $dir_external
+      else
+         rsync_update $dir_external $dir_internal
+      fi
+      exit 0;
+   fi
+   if [[ "$in_to_ex" == true ]]; then
+      rsync_default $dir_internal $dir_external
+   else
+      rsync_default $dir_external $dir_internal
+   fi
+}
diff --git a/scripts/sync_home.sh b/scripts/sync_home.sh
new file mode 100755
index 0000000..5dad6d9
--- /dev/null
+++ b/scripts/sync_home.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+source /sync/scripts/sync_general.sh
+
+sync --dir home $@
diff --git a/scripts/sync_root.sh b/scripts/sync_root.sh
new file mode 100755
index 0000000..ea7eb63
--- /dev/null
+++ b/scripts/sync_root.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+source /sync/scripts/sync_general.sh
+
+sync --dir root $@