diff --git a/mariadb-103.sh b/mariadb-103.sh
index 6bd031a..b2d6058 100644
--- a/mariadb-103.sh
+++ b/mariadb-103.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Copyright (C) 2023 Thien Tran
 #
@@ -15,7 +15,7 @@
 # the License.
 
 output(){
-    echo -e '\e[36m'"$1"'\e[0m';
+    printf '\e[1;34m%-6s\e[m\n' "${@}"
 }
 
 mariadb_root_reset(){
diff --git a/mariadb-104-legacy.sh b/mariadb-104-legacy.sh
index 7226864..9f334db 100644
--- a/mariadb-104-legacy.sh
+++ b/mariadb-104-legacy.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Copyright (C) 2023 Thien Tran
 #
@@ -15,7 +15,7 @@
 # the License.
 
 output(){
-    echo -e '\e[36m'"$1"'\e[0m';
+    printf '\e[1;34m%-6s\e[m\n' "${@}"
 }
 
 mariadb_root_reset(){
diff --git a/mariadb-104.sh b/mariadb-104.sh
index b995ecc..66d6c80 100644
--- a/mariadb-104.sh
+++ b/mariadb-104.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Copyright (C) 2023 Thien Tran
 #
@@ -15,7 +15,7 @@
 # the License.
 
 output(){
-    echo -e '\e[36m'"$1"'\e[0m';
+    printf '\e[1;34m%-6s\e[m\n' "${@}"
 }
 
 mariadb_root_reset(){