Mass-File and Folder Renaming

operations/reference/Bash/Open Port Checker.md

@@ -0,0 +1,15 @@
+---
+tags:
+  - Bash
+  - Ports
+  - Scripting
+  - Linux
+---
+
+**Purpose**: 
+If you want to check if a certain TCP port is open on a server.
+
+## Netcat Command
+``` sh
+netcat -z -n -v <IP ADDRESS> <PORT>
+```