## 23.2 Environment Properties

Other miscellaneous properties characterize the environment in which Mozart is installed and runs.

Property | Type | Description
--- | --- | ---
`oz.dotoz` | VirtualString | user directory for personal customizations and packages. Initialized from `OZ_DOTOZ` or `OZDOTOZ`, or the default `~/.oz/1.3.0`
`oz.home` | VirtualString | top directory of the mozart installation. Initialized from `OZ_HOME` or `OZHOME` or property `oz.configure.home`
`oz.search.load` | VirtualString | methods for resolving functors: initialized from `OZ_SEARCH_LOAD`, `OZ_LOAD` or `OZLOAD` (or a default)
`oz.search.path` | VirtualString | where to search for includes: initialized from `OZ_SEARCH_PATH`, `OZ_PATH` or `OZPATH` (or a default)
`oz.trace.load` | Bool | controls whether resolvers output tracing information
`path.separator` | Char | the character used as a search path separator for the current platform (`:` for Unix, and `;` for Windows)
`path.escape` | Char | the character used for escaping another character (usually backslash)
`user.home` | VirtualString | user home directory where applicable. Initialized from `HOME` (or otherwise from `HOMEDRIVE` and `HOMEPATH` on Windows)