$ConfiguredKernels is the default list of kernels that are configured to be launched for parallel computing.
AllowGroupClose is an option for Cell that specifies whether a cell group can be closed normally.
AllowReverseGroupClose is an option for Cell that specifies whether a cell group can be reverse closed.
Asynchronous is an option for WolframAlpha that determines whether to use the asynchronous features of the Wolfram|Alpha API.
CellAutoOverwrite is an option for Cell which specifies whether an output cell should be overwritten by new output when the preceding input cell is evaluated.
HamiltonianGraphQ[g] yields True if the graph g is Hamiltonian, and False otherwise.
LibraryLoad[lib] loads the dynamic library lib into the Mathematica runtime.
MaxExtraBandwidths is an option to SmoothKernelDistribution that controls the behavior outside that data range.
MaxMixtureKernels is an option for SmoothKernelDistribution and related functions that specifies the maximum number and location of kernel functions to use in the estimation.
MenuSortingValue is an option for cells and notebooks that specifies where a cell style, stylesheet, or palette is listed in the Format \[FilledRightTriangle] Style submenu, ...