# Learning Jenkins, 03-06: Choice Parameters
Create a freestyle job with one build step.

Add a choice parameter with three or more choices.

## WINDOWS SYSTEMS
If you are running Jenkins on a Windows system:

1. Select the `Execute Windows batch command` build step
2. Enter the following for the command:
```
@echo off
@echo ENVIRONMENT = %ENVIRONMENT%
```

[Follow this link for more details on Windows](WINDOWS.md)

## MacOS, Linux, and Docker
If you are running Jenkins on MacOS, Linux, or Docker:

1. Select the `Execute shell` build step.
2. Enter the following for the command:
```
#!/bin/bash
echo "ENVIRONMENT = $ENVIRONMENT"
```

[Follow this link for more details on MacOS, Linux, and Docker](MAC_LINUX_DOCKER.md)