Added common names for Linux OS

Author: SnehaSudhirG

articles/automation/automation-linux-hrw-install.md

@@ -43,8 +43,16 @@ The Hybrid Runbook Worker feature supports the following distributions. All oper
 * Oracle Linux 6, 7, and 8
 * Red Hat Enterprise Linux Server 5, 6, 7, and 8
 * Debian GNU/Linux 6, 7, and 8
-* Ubuntu 12.04 LTS, 14.04 LTS, 16.04 LTS, 18.04, and 20.04 LTS
-* SUSE Linux Enterprise Server 12, 15, and 15.1 (SUSE didn't release versions numbered 13 or 14)
+* SUSE Linux Enterprise Server 12, 15, and 15.1 (SUSE didn't release versions numbered 13 or 14) 
+* Ubuntu
+  | Linux OS | Name|
+  |---|---|
+  |20.04 LTS |Focal Fossa |
+  |18.04 LTS | Bionic Beaver |
+  |16.04 LTS | Xenial Xerus |  
+  |14.04 LTS | Trusty Tahr |
+  |12.04 LTS | |
+
 
 > [!IMPORTANT]
 > Before enabling the Update Management feature, which depends on the system Hybrid Runbook Worker role, confirm the distributions it supports [here](update-management/operating-system-requirements.md).