Assigning Authorizations for Operating System Users 
Use
To allow
Database Manager operators (DBM operators) to manage
database instances remotely, you can also grant them authorizations as operating system users for the servers of these database instances.
Prerequisites
You are an operating system user on the database server and also have DBM operator authorizations for the database instance on this server.
Procedure
Result
The selected operator also has operating system user authorization on the server of the current database instance.