| Property | Description |
| 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
|