diff --git a/03_05.md b/03_05.md
new file mode 100644
index 0000000..c002222
--- /dev/null
+++ b/03_05.md
@@ -0,0 +1,27 @@
+# Learning Jenkins, 03-05: String 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 VERSION_NUMBER = %VERSION_NUMBER%
+```
+
+[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 "VERSION_NUMBER = $VERSION_NUMBER"
+```
+
+[Follow this link for more details on MacOS, Linux, and Docker](MAC_LINUX_DOCKER.md)
+
diff --git a/MAC_LINUX_DOCKER.md b/MAC_LINUX_DOCKER.md
new file mode 100644
index 0000000..d03d712
--- /dev/null
+++ b/MAC_LINUX_DOCKER.md
@@ -0,0 +1,15 @@
+# Learning Jenkins, 03-05: String Parameters
+Create a freestyle job with one build step.
+
+# 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 "VERSION_NUMBER = $VERSION_NUMBER"
+```
+
+# Troubleshooting Errors
+
diff --git a/WINDOWS.md b/WINDOWS.md
new file mode 100644
index 0000000..62e7b19
--- /dev/null
+++ b/WINDOWS.md
@@ -0,0 +1,15 @@
+# Learning Jenkins, 03-05: String 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 VERSION_NUMBER = %VERSION_NUMBER%
+```
+
+# Troubleshooting Errors
+