The version of CICS Transaction Gateway is defined as a string comprising of four numbers separated by dots. The first two numbers are used on their own as an abreviated product version, the last two numbers identify the modification level and fix pack.
The installed version of CICS Transaction Gateway can always be obtained by running the command: cicscli -v
CCL8001I CICSCLI - CICS Transaction Gateway Client Daemon Control Program
CCL0002I (C) Copyright IBM Corporation 1994, 2012. All rights reserved.
CCL8029I CICS Transaction Gateway for Multiplatforms for AIX Version 9.0.0.1
CCL8074I Build Level 'c900-20130121-0205', 'GA'
CCL8023I CICSCLI performed no action
Message CCL8029I includes "Version 9.0.0.1", this shows the product version is "9.0" with Fix Pack 1. When the modification level is "0" it is normally ignored.
Message CCL8074I includes 'GA', this shows the CICS Transaction Gateway installation was installed by a full product install and that Fix Pack 1 was included as part of the product install. When message CCL8074I includes 'FP' instead of 'GA', the string 'FP' shows that a fix pack has been installed after a full product install.