For Adabas, during FTP Import typically the high level group name is not imported, only the fields that make up the group (PE). by enabling this setting, the group fields themselves are also imported.
KEEPGROUPS = 1
Default = 0.
Environments: Client, Server,Windows, Mainframe, Unix, Adabas
Configuration Manager: CONNX Settings; Current Key = CONNX\Adabas; Key Value/Value Name = KEEPGROUPS
Unix Environment Variable: KEEPGROUPS
Started Task:KEEPGROUPS
CICS: KEEPGROUPS