Batch connections can have only one userid associated with them, and the source of that userid, such as the job userid or TSO userid, is usually obvious.
There are many operations that only TSO can perform, especially operations executed by z/OS systems programmers, DB2 database administrators, and others.
有许多操作只能使用 TSO来执行,特别是由z/OS系统程序员、DB2数据库管理员等执行的操作。
In this next example, your host is accessed by a logon screen where your users can specify an application of either CICS or TSO (Figure 21).