Next: Current Working Directory, Previous: Process ID Information, Up: System Utilities

### 36.7 Environment Variables

— Built-in Function: getenv (var)

> Return the value of the environment variable var. For example,

>               getenv ("PATH")

> returns a string containing the value of your path.

— Built-in Function: putenv (var, value)

> Set the value of the environment variable var to value.