This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)
Low-Level System Spelunking
Mathematica is a large and complex software system. Although strongly not supported for production purposes, it is sometimes instructive to "spelunk" in the system, looking at low-level organization and obscure features.
Names complete lists of symbol names matching a pattern (e.g. )
Contexts give complete lists of contexts for symbol names
    
SystemOptions low-level system options
    
Show Expression (Shift+Ctrl+E) — show the symbolic structure of notebook contents
Option Inspector inspect lists of front end options
Options get a complete list of options for $FrontEnd
    
Trace trace every step in the evaluation of an expression
Stack show the state of the complete evaluation stack
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