diff --git a/windows/security/threat-protection/microsoft-defender-atp/symantec-to-microsoft-defender-atp-onboard.md b/windows/security/threat-protection/microsoft-defender-atp/symantec-to-microsoft-defender-atp-onboard.md
index 5b36ffbead..d0f4093d05 100644
--- a/windows/security/threat-protection/microsoft-defender-atp/symantec-to-microsoft-defender-atp-onboard.md
+++ b/windows/security/threat-protection/microsoft-defender-atp/symantec-to-microsoft-defender-atp-onboard.md
@@ -61,7 +61,8 @@ To verify that your onboarded devices are properly connected to Microsoft Defend
|Operating system |Guidance |
|---------|---------|
|Windows 10
Windows Server 2019
Windows Server, version 1803
Windows Server 2016
Windows Server 2012 R2 |[Run a detection test](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/run-detection-test) |
-|Row2 | |
+|macOS
- 10.15 (Catalina)
- 10.14 (Mojave)
- 10.13 (High Sierra) |Using Terminal, run the following command:
`$ mdatp --connectivity-test`
For more information, see [Microsoft Defender Advanced Threat Protection for Mac](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/microsoft-defender-atp-mac) |
+|Linux |1. Run the following command, and look for a result of **1**:
`Ensure that real-time protection is enabled (denoted by a result of 1 from running the following command):`
2. Open a Terminal windows, and run the following command:
`curl -o ~/Downloads/eicar.com.txt https://www.eicar.org/download/eicar.com.txt`
3. Run the following command to list any detected threats:
`mdatp threat list`
For more information, see [Microsoft Defender ATP for Linux](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/microsoft-defender-atp-linux). |
## Uninstall Symantec