ucl/_docs/mod/os.md
Leon Mika 42d5a89471
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# OS Module
Functions for accessing the operating system.
### env
```
os:env NAME [DEFAULT]
```
Returns the value of the environment variable NAME. If no environment with NAME
is defined, then DEFAULT will be returned, if specified. Otherwise, nil will be
returned.
```
echo "User's home directory is: " (os:env "HOME")
```