YaST

yast2 -l

openSUSE:YaST development
YaST2 development
Yast Modul Tutorial
Developing YaST Modules
YaST Tutorials
How do I manage (add/remove) users in SLES?
YaST2 Documentation
read write
YaST Tutorials
2.3. Starting Up
Chapter 2. Tutorial 1—Simple YaST Module
YaST2 Resource Page