diff --git a/install.sh b/install.sh
index 614a34f..8411e51 100755
--- a/install.sh
+++ b/install.sh
@@ -2,20 +2,16 @@
 
 ## CONSTANTS
 
-readonly MIAOU_BASH_DIR=/opt/miaou-bash
 readonly MAIN_TAR_GZ_URL="https://git.artcode.re/miaou/miaou-bash/archive/main.tar.gz"
+readonly MIAOU_BASH_DIR=/opt/miaou-bash
 
 ## FUNCTIONS
+
 function bootstrap {
   cd "$(mktemp -d)" || exit 3
   curl -s -O $MAIN_TAR_GZ_URL
   tar -xzf main.tar.gz --directory "$(dirname $MIAOU_BASH_DIR)"
 
-  local source_bin="$MIAOU_BASH_DIR/bin/miaou-bash"
-  local dest_bin="/usr/bin/miaou-bash"
-  if ! cmp -s "$source_bin" "$dest_bin"; then
-    cp -f "$source_bin" "$dest_bin"
-  fi
   echo "miaou-bash deployed to: $MIAOU_BASH_DIR"
 }
 
@@ -33,9 +29,9 @@ set -Eeuo pipefail
 
 export MIAOU_BASH_DIR
 if [[ -d "$MIAOU_BASH_DIR" && -L /etc/inputrc && "$(readlink /etc/inputrc)" == "$MIAOU_BASH_DIR"/etc/inputrc ]]; then
-  miaou-bash "$MIAOU_BASH_DIR/lib/self-upgrade.bash"
+  . "$MIAOU_BASH_DIR"/bin/miaou-bash "$MIAOU_BASH_DIR/lib/self-upgrade.bash"
 else
   bootstrap
-  miaou-bash "$MIAOU_BASH_DIR/lib/init.bash"
+  . "$MIAOU_BASH_DIR"/bin/miaou-bash "$MIAOU_BASH_DIR/lib/init.bash"
   echo "miaou-bash successfully installed"
 fi
diff --git a/lib/init.bash b/lib/init.bash
index db3611c..c3d90c1 100755
--- a/lib/init.bash
+++ b/lib/init.bash
@@ -17,7 +17,19 @@ readonly BACKUP='ORIGINAL'
 
 # FUNCTIONS
 
-function required_packages {
+function usr_bin_miaou_bash {
+  local source_bin="$MIAOU_BASH_DIR/bin/miaou-bash"
+  local dest_bin="/usr/bin/miaou-bash"
+  if ! [[ -f "$dest_bin" ]]; then
+    cp -f "$source_bin" "$dest_bin"
+    echo "/usr/bin/miaou-bash created"
+  elif ! cmp -s "$source_bin" "$dest_bin"; then
+    cp -f "$source_bin" "$dest_bin"
+    echo "/usr/bin/miaou-bash updated"
+  fi
+}
+
+function install_required_packages {
   . "$MIAOU_BASH_DIR"/tools/pkg_add "${REQUIRED_PKGS[@]}"
 }
 
@@ -51,20 +63,23 @@ function link_etc {
   fi
 }
 
-function link_config_files {
-  if [[ "$DISTRO_LIKE" == 'arch' ]]; then
-    mkdir -p /etc/vim
-    if ! grep -q '/etc/vim/vimrc.local' /etc/vimrc; then
-      cat >>/etc/vimrc <<-EOF
-" Source a global configuration file if available
-if filereadable("/etc/vim/vimrc.local")
-  source /etc/vim/vimrc.local
-endif
+function arch_vimrc {
+  mkdir -p /etc/vim
+  if ! grep -q '/etc/vim/vimrc.local' /etc/vimrc; then
+    cat >>/etc/vimrc <<-EOF
+      " Source a global configuration file if available
+      if filereadable("/etc/vim/vimrc.local")
+        source /etc/vim/vimrc.local
+      endif
 EOF
-      echo "vimrc source /etc/vim/vimrc.local if any"
-    fi
+    echo "vimrc source /etc/vim/vimrc.local if any"
   fi
 
+}
+
+function link_config_files {
+  [[ "$DISTRO_LIKE" == 'arch' ]] && arch_vimrc
+
   link_etc vimrc.core vim
   link_etc vimrc.miaou vim
   link_etc vimrc.rookie vim
@@ -100,8 +115,9 @@ function fix_terminfo_ghostty {
 
 source "$MIAOU_BASH_DIR/lib/functions.bash"
 assert_root
+usr_bin_miaou_bash
 DISTRO_LIKE=$(fetch_distro_like)
-required_packages
+install_required_packages
 no_more_skeleton
 fix_terminfo_ghostty
 link_config_files
diff --git a/lib/self-upgrade.bash b/lib/self-upgrade.bash
index 5e4c47c..e184c15 100755
--- a/lib/self-upgrade.bash
+++ b/lib/self-upgrade.bash
@@ -20,12 +20,11 @@ function bootstrap {
 }
 
 function self_upgrade {
-  rm -rf "$MIAOU_BASH_DIR"
-  bootstrap
-
-  . "$MIAOU_BASH_DIR/lib/init.bash"
+  mv "$MIAOU_BASH_DIR" "$MIAOU_BASH_DIR".before_upgrade
+  "$MIAOU_BASH_DIR".before_upgrade/install.sh
+  rm -rf "$MIAOU_BASH_DIR".before_upgrade
   echo "miaou-bash successfully updated"
-  miaou-bash --version
+  . "$MIAOU_BASH_DIR"/bin/miaou-bash --version
 }
 
 # MAIN
diff --git a/lib/uninstall.bash b/lib/uninstall.bash
index b4513e5..db76aa5 100644
--- a/lib/uninstall.bash
+++ b/lib/uninstall.bash
@@ -17,9 +17,7 @@ function uninstall {
 
   rm -f /etc/vimrc/vimrc.{azerty,core,local,miaou,rookie}
   rm -rf /opt/miaou-bash
-
   unset MIAOU_BASH_DIR
-  echo 'MIAOU-BASH fully uninstalled, restored from original'
 }
 
 # Main
@@ -29,7 +27,8 @@ assert_system_mode
 assert_root
 cd || exit
 if _confirm_destructive; then
-  uninstall 
+  uninstall
+  echo 'MIAOU-BASH fully uninstalled, previous settings restored from original'
 else
-  >&2 echo canceled && builtin exit 1
+  builtin exit 1
 fi