diff --git a/References/Checks-Code.md b/References/Checks-Code.md
new file mode 100644
index 0000000..81545cb
--- /dev/null
+++ b/References/Checks-Code.md
@@ -0,0 +1,4 @@
+run command and display error or success
+```bash
+<command>; ret=$? && if [ $ret -ne 0 ]; then echo -e "\n\033[0;31mERRROR! Code: $ret\033[0m"; else echo -e "\033[0;32mOK!\033[0m"; fi
+```
\ No newline at end of file
diff --git a/Quick-and-Dirty-Methods-Bash.md b/References/Quick-and-Dirty-Methods-Bash.md
similarity index 100%
rename from Quick-and-Dirty-Methods-Bash.md
rename to References/Quick-and-Dirty-Methods-Bash.md