4.12. Other Objects

Here are some interesting oddball objects not discussed elsewhere:

comparator	An object that can compute “diffs” between sequences.
compilerProfiling	Compiler profiling.
desktop	The controlling object for the graphical user interface.
history	A history of commands typed at the prompt, and their results.
memory	Memory system interface (GC, snapshot, low space, etc.).
monitor	System monitor (spy) control.
nil	Indicates an uninitialized value.
platforms	Possible hardware platforms.
preferences	User configuration preferences.
profiling, flatProfiling	Controls Self code profiling.
prompt	Interactive read-eval-print loop.
scheduler	Self process scheduler.
snapshotAction	Actions to do before/after a snapshot.
thisHost	Describes the current host platform.
times	Reports user, system, cpu, or real time.
typeSizes	Bit/byte sizes for primitive types.
vmProfiling	Virtual machine profiling.