This manual is intended for all users and operators of secure BS2000 systems. It describes the functions of the SECOS product. To use this manual, readers will need a good understanding of the security functions present in the BS2000 basic configuration.
All the sections are relevant for readers or users who are responsible for performing administrative tasks. Chapter 3 (SRPM) is primarily intended for users responsible for security or user administration.
The following sections are relevant for all users:
- Chapter 2 on security in DP systems and the BS2000 system. 
- Section "Single Sign On with Kerberos" and the description of the associated command SHOW-LOGON-PROTECTION. 
- If personal identifications are used: - Section “Personal identification” and the description of the corresponding commands MODIFY-USER-PROTECTION (see the “Commands” manual [4]), commands SET-PERSONAL-ATTRIBUTES and SHOW-PERSONAL-LOGON-ADMISSION). 
- Chapters 4 and 5 describe the concepts and functions available to all users to protect their own data against unwanted access by other users.