This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Low-Level System Optimization
SystemOptions, SetSystemOptions test and set hundreds of internal kernel options
Options, SetOptions options for functions, notebooks and the whole front end
ClearSystemCache reset Mathematica by clearing internal cached results
Update force internal updating of symbol values
Share internally share common subexpressions
Operating System Optimization
Run change process parameters through the operating system