How to check Netezza versions history?

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IBM Netezza

To find the history of NPS upgrade on your server, run below command:

$more /nz/.versions/versionhistory
2017-08-22 15:17:28 -0400 (EDT)| ACTION=upgrade ORIGIN=6.0.5-0.F-1.P-10.Bld-24823 TARGET=7.0.2-0.F-1.P-5.Bld-31068 STATE=Successful
2018-02-15 22:35:36 -0500 (EST)| ACTION=upgrade ORIGIN=7.0.2-0.F-1.P-5.Bld-31068 TARGET=7.0.2-0.F-1.P-8.Bld-32960 STATE=Successful
2018-07-22 03:42:59 -0400 (EDT)| ACTION=upgrade ORIGIN=7.0.2-0.F-1.P-8.Bld-32960 TARGET= STATE=Successful

The latest version of Netezza is V7.2.1 as per IBM website –

IBM Netezza Support