diff --git a/README.md b/README.md
index efedfd1..1b2381e 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Any feedback would be appreciated.
 ## install
 
 ```bash
-curl https://git.artcode.re/miaou/miaou-bash/raw/branch/main/install.sh | sudo bash -s`
+curl -s https://git.artcode.re/miaou/miaou-bash/raw/branch/main/install.sh | sudo bash -s`
 ```
 
 ## upgrade
diff --git a/lib/init.bash b/lib/init.bash
index 0faf49a..187e62a 100755
--- a/lib/init.bash
+++ b/lib/init.bash
@@ -3,8 +3,7 @@
 # CONSTANTS
 
 readonly REQUIRED_PKGS=(file jq vim)
-readonly ORIGINAL="ORIGINAL"
-readonly PREDEFINED_CONFIG_FILES=(/etc/bash.bashrc /etc/inputrc)
+readonly BACKUP='ORIGINAL'
 
 # FUNCTIONS
 
@@ -13,33 +12,47 @@ function required_packages {
 }
 
 function no_more_skeleton {
-  [[ -e /etc/skel/.bashrc ]] && rm /etc/skel/.bashrc && echo "skeleton .bashrc removed!"
-  true
+  if [[ -e /etc/skel/.bashrc ]]; then
+    rm /etc/skel/.bashrc
+    echo "skeleton .bashrc removed!"
+  fi
 }
 
-function predefine_config_files {
-  for i in "${PREDEFINED_CONFIG_FILES[@]}"; do
-    local miaou_file
-    miaou_file="${MIAOU_BASH_DIR}/etc/$(basename "$i")"
-    if [[ -L "$i" ]]; then
-      if [[ "$(readlink "$i")" == "${miaou_file}" ]]; then
-        echo "$i => MIAOU_BASH_DIR already set!"
-      else
-        ln -sf "${miaou_file}" "$i"
-        echo "$i => MIAOU_BASH_DIR freshly defined."
-      fi
+function link_etc {
+  local filename="$1" subfolder="${2:-}"
+  local source="$MIAOU_BASH_DIR/etc"
+  local destination="/etc"
+  [[ -n "$subfolder" ]] && source+="/${subfolder}" && destination+="/${subfolder}"
+  if [[ -L "$destination/$filename" ]]; then
+    if [[ "$(readlink "$destination/$filename")" != "$source/$filename" ]]; then
+      ln -sf "$source/$filename" "$destination"
+      echo "link $source/$filename updated"
     else
-      mv "$i" "$i.$ORIGINAL"
-      ln -s "${miaou_file}" "$i"
-      echo "$i => MIAOU_BASH_DIR freshly defined + .ORIGINAL backuped"
+      echo "link $source/$filename already enabled!"
+    fi
+  else
+    if [[ -f "$destination/$filename" ]]; then
+      mv "$destination/$filename" "$destination/$filename.$BACKUP"
+      echo "$destination/$filename.$BACKUP saved!"
     fi
-  done
+    ln -s "$source/$filename" "$destination"
+    echo "link $source/$filename created"
+  fi
+}
+
+function predefine_config_files {
+  link_etc bash.bashrc
+  link_etc inputrc
+  link_etc vimrc.azerty vim
+  link_etc vimrc.core vim
+  link_etc vimrc.local vim
+  link_etc vimrc.miaou vim
+  link_etc vimrc.rookie vim
 }
 
 # MAIN
 
 [ "$UID" -ne 0 ] && echo 'root privilege required' && exit 1
-
 source "$MIAOU_BASH_DIR/lib/functions.bash"
 required_packages
 no_more_skeleton