| arch | return process architecture: "arm","ia32", or "x64" | 
		| args | returs commands line arguments as an array. | 
		| env | returns user environment | 
		| pid | returns process id of the process | 
		| platform | return platform of the process:"darwin","freebsd","Linux","sunos" pr "win32" | 
		| release | return the metadata for the current node release | 
		| version | return the node version | 
		| versions | returns the node version and its dependencies |