diff --git a/examples/testsuites/helloworld.py b/examples/testsuites/helloworld.py
index b53ea4337..779f49c12 100644
--- a/examples/testsuites/helloworld.py
+++ b/examples/testsuites/helloworld.py
@@ -33,9 +33,10 @@ class HelloWorld(TestSuite):
 
         if node.isLinux:
             uname = node.getTool(Uname)
-            release, version, hardware = uname.getLinuxInformation()
+            release, version, hardware, os = uname.getLinuxInformation()
             log.info(
-                f"release: '{release}', version: '{version}', hardware: '{hardware}'"
+                f"release: '{release}', version: '{version}', "
+                f"hardware: '{hardware}', os: '{os}'"
             )
             log.info("It's Linux, try on Windows!")
         else:
diff --git a/lisa/core/node.py b/lisa/core/node.py
index 04f4a6573..b4a122263 100644
--- a/lisa/core/node.py
+++ b/lisa/core/node.py
@@ -39,6 +39,7 @@ class Node:
         self.kernelRelease: str = ""
         self.kernelVersion: str = ""
         self.hardwarePlatform: str = ""
+        self.os: str = ""
 
         self.tools: Dict[Type[Tool], Tool] = dict()
 
@@ -172,8 +173,9 @@ class Node:
                 self.kernelRelease,
                 self.kernelVersion,
                 self.hardwarePlatform,
+                self.os,
             ) = uname.getLinuxInformation(noErrorLog=True)
-            if not self.kernelRelease:
+            if (not self.kernelRelease) or ("Linux" not in self.os):
                 self._isLinux = False
             if self._isLinux:
                 log.info(
diff --git a/lisa/tool/uname.py b/lisa/tool/uname.py
index d2799ae71..f7a5067a2 100644
--- a/lisa/tool/uname.py
+++ b/lisa/tool/uname.py
@@ -7,7 +7,8 @@ from lisa.core.tool import Tool
 class Uname(Tool):
     def initialize(self) -> None:
         self.key_info_pattern = re.compile(
-            r"(?P<release>[^ ]*?) (?P<version>[\w\W]*) (?P<platform>[\w_]+?)$"
+            r"(?P<release>[^ ]*?) (?P<version>[\w\W]*) (?P<platform>[\w\W]+?) "
+            r"(?P<os>[\w\W]+?)$"
         )
         # uname's result suppose not be changed frequently,
         #  so cache it for performance.
@@ -16,6 +17,7 @@ class Uname(Tool):
         self.kernelRelease: str = ""
         self.kernelVersion: str = ""
         self.hardwarePlatform: str = ""
+        self.os: str = ""
 
     @property
     def command(self) -> str:
@@ -40,7 +42,7 @@ class Uname(Tool):
         """
 
         if (not self.hasResult) or force:
-            cmd_result = self.run("-vri", noErrorLog=noErrorLog)
+            cmd_result = self.run("-vrio", noErrorLog=noErrorLog)
 
             if cmd_result.exitCode != 0:
                 self.isLinux = False
@@ -51,9 +53,11 @@ class Uname(Tool):
                 self.kernelRelease = match_result.group("release")
                 self.kernelVersion = match_result.group("version")
                 self.hardwarePlatform = match_result.group("platform")
+                self.os = match_result.group("os")
             self.hasResult = True
         return (
             self.kernelRelease,
             self.kernelVersion,
             self.hardwarePlatform,
+            self.os,
         )