ISPF environment variables

Table 1 lists the new and updated environment variables for the TSO/ISPF Client Gateway. See z/OS ISPF Planning and Customizing for more detailed information.

Table 1. Summary of new and changed environment variables for the TSO/ISPF Client Gateway
Environment Variable	Release	Description	Reason for change
CGI_CEATSO	V2R2	Added new environment variable, CGI_CEATSO, for indicating whether the Legacy ISPF Gateway or the Interactive ISPF Gateway is invoked.	Interactive ISPF Gateway