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As per your requirement you would need either a user guide or a command reference.
Browse through the installation dir. of Encounter and there should be a folder named /doc. Else as per your company policy it might be in a special docs section on an accessable server.
To save time ask the tool admin person of your company/team or your team-lead may know it.
It is already somwhere there in the env you are working. It is easier for you to find it you rather than someone else digging it out for you!
Copyrighted materials which includes help files from EDA vendors are forbidden to be shared.
I have already mentioned above, in a very generic way, where to look for such pdf files.
For everything else there is "Google Daddy"!