To learn about SAS software related to the content of this lesson, see the following documentation:

• The SAS Host Companion for your operating environment
  
  
• SAS Language Reference: Concepts, (see the section on error processing and debugging)
  
  
• SAS Language Reference: Dictionary (see the section on SAS system options)
  
  
• SAS Language Reference: Dictionary (see the section on the DATA step debugger).