> For the complete documentation index, see [llms.txt](https://flowprodocs.wftutorials.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://flowprodocs.wftutorials.com/guides/system-variables.md).

# System Variables

System variables are set internally but you have access to them

The system settings special variables during the execution of the script

### List of System Variables

{% hint style="danger" %}
These variables cannot be overwritten. Attempting to do so will fail
{% endhint %}

#### coutput

coutput is the current output. Wherever you use this variable will return the current output of the script

#### cindex

This is the current index. This is often available in a for loop

#### cword

This is the current word. This is often available in a for loop

#### \_homedir\_

The returns the home directory of your computer.

#### \_basedir\_

This returns the base directory of the current script