Upgrading Previously Installed Secure Shell SoftwareFrom OpenSSHFrom Tectia Server for IBM z/OS Version 5.xFrom Tectia Server for IBM z/OS Version 6.xFrom Tectia Server for IBM z/OS when Two Versions ExistCheck if you have some Secure Shell software, for example earlier versions of Tectia products or IBM Ported Tool for z/OS (OpenSSH), running on the machine where you are planning to install the new Tectia versions.
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