# Learning Jenkins, 03-07: Boolean Parameters Create a freestyle job with one build step. ## 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 "RUN_TESTS = %RUN_TESTS%" if "%RUN_TESTS%"=="true" ( echo "RUNNING TESTS!" ) else ( echo "No tests will be run" ) ``` [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 "RUN_TESTS = $RUN_TESTS" if [ "$RUN_TESTS" = "true" ]; then echo "RUNNING TESTS!"; else echo "No tests will be run..."; fi ``` [Follow this link for more details on MacOS, Linux, and Docker](MAC_LINUX_DOCKER.md)