diff --git a/src/core/fsservices.h b/src/core/fsservices.h
index 811a046..92dbe17 100644
--- a/src/core/fsservices.h
+++ b/src/core/fsservices.h
@@ -137,9 +137,10 @@ struct cFSStatArgs
         TY_DOOR,
         TY_PORT,
         TY_NAMED,
-	TY_MESSAGE_QUEUE,
-	TY_SEMAPHORE,
-	TY_SHARED_MEMORY
+        TY_NATIVE,
+        TY_MESSAGE_QUEUE,
+        TY_SEMAPHORE,
+        TY_SHARED_MEMORY
     };
 
     // attr is fs dependent?
diff --git a/src/core/unixfsservices.cpp b/src/core/unixfsservices.cpp
index ec0c34f..e45956e 100644
--- a/src/core/unixfsservices.cpp
+++ b/src/core/unixfsservices.cpp
@@ -127,6 +127,16 @@
 
 #define TW_SLASH _T('/')
 
+#if (IS_AIX || IS_OS400)
+  #ifndef _S_IFNATIVE
+    #define _S_IFNATIVE 02000000 /* OS/400 native object, of any object type that isn't treated as a directory */
+  #endif
+
+  #ifndef S_ISNATIVE
+    #define S_ISNATIVE(x) (((x) & 0370000) == _S_IFNATIVE)
+  #endif
+#endif
+
 //=========================================================================
 // OTHER DIRECTIVES
 //=========================================================================
@@ -425,6 +435,11 @@ void cUnixFSServices::Stat(const TSTRING& strNameC, cFSStatArgs& statArgs) const
         statArgs.mFileType = cFSStatArgs::TY_NAMED;
 #endif
 
+#ifdef S_ISNATIVE
+    else if (S_ISNATIVE(statbuf.st_mode))
+        statArgs.mFileType = cFSStatArgs::TY_NATIVE;
+#endif
+
 #ifdef S_TYPEISMQ
     else if (S_TYPEISMQ(&statbuf))
         statArgs.mFileType = cFSStatArgs::TY_MESSAGE_QUEUE;
diff --git a/src/fs/fsdatasourceiter.cpp b/src/fs/fsdatasourceiter.cpp
index 089726a..5404007 100644
--- a/src/fs/fsdatasourceiter.cpp
+++ b/src/fs/fsdatasourceiter.cpp
@@ -274,6 +274,9 @@ bool cFSDataSourceIter::InitializeTypeInfo(iFCO* pFCO)
     case cFSStatArgs::TY_NAMED:
         propSet.SetFileType(cFSPropSet::FT_NAMED);
         break;
+    case cFSStatArgs::TY_NATIVE:
+        propSet.SetFileType(cFSPropSet::FT_NATIVE);
+        break;
     case cFSStatArgs::TY_MESSAGE_QUEUE:
         propSet.SetFileType(cFSPropSet::FT_MESSAGE_QUEUE);
         break;
diff --git a/src/fs/fspropcalc.cpp b/src/fs/fspropcalc.cpp
index ec3bded..ff2d191 100644
--- a/src/fs/fspropcalc.cpp
+++ b/src/fs/fspropcalc.cpp
@@ -302,6 +302,9 @@ void cFSPropCalc::HandleStatProperties(const cFCOPropVector& propsToCheck, const
         case cFSStatArgs::TY_NAMED:
             propSet.SetFileType(cFSPropSet::FT_NAMED);
             break;
+        case cFSStatArgs::TY_NATIVE:
+            propSet.SetFileType(cFSPropSet::FT_NATIVE);
+            break;
         case cFSStatArgs::TY_MESSAGE_QUEUE:
             propSet.SetFileType(cFSPropSet::FT_MESSAGE_QUEUE);
             break;
@@ -325,11 +328,17 @@ void cFSPropCalc::HandleHashes(const cFCOPropVector& propsToCheck, const TSTRING
     // if the file type is not a regular file, we will
     // not try to open the file for signature generation
     ASSERT(propSet.GetValidVector().ContainsItem(cFSPropSet::PROP_FILETYPE));
-    if (propSet.GetFileType() == cFSPropSet::FT_FILE || propSet.GetFileType() == cFSPropSet::FT_SYMLINK)
+
+    if (   propSet.GetFileType() == cFSPropSet::FT_FILE
+        || propSet.GetFileType() == cFSPropSet::FT_SYMLINK
+#if (IS_AIX || IS_OS400)
+        || propSet.GetFileType() == cFSPropSet::FT_NATIVE
+#endif
+     )
     {
         if ( // if we need to open the file
             propsToCheck.ContainsItem(cFSPropSet::PROP_CRC32) || propsToCheck.ContainsItem(cFSPropSet::PROP_MD5) ||
-            propsToCheck.ContainsItem(cFSPropSet::PROP_SHA) || propsToCheck.ContainsItem(cFSPropSet::PROP_HAVAL))
+            propsToCheck.ContainsItem(cFSPropSet::PROP_SHA)   || propsToCheck.ContainsItem(cFSPropSet::PROP_HAVAL))
         {
             cFileArchive   arch;
             cMemoryArchive memArch;
diff --git a/src/fs/fspropset.cpp b/src/fs/fspropset.cpp
index 0bb7e02..077fca0 100644
--- a/src/fs/fspropset.cpp
+++ b/src/fs/fspropset.cpp
@@ -60,6 +60,7 @@ TSTRING cFCOPropFileType::AsString() const
                               fs::STR_FT_DOOR,
                               fs::STR_FT_PORT,
                               fs::STR_FT_NAMED,
+                              fs::STR_FT_NATIVE,
                               fs::STR_FT_MESSAGE_QUEUE,
                               fs::STR_FT_SEMAPHORE,
                               fs::STR_FT_SHARED_MEMORY};
diff --git a/src/fs/fspropset.h b/src/fs/fspropset.h
index f716728..c52f1e3 100644
--- a/src/fs/fspropset.h
+++ b/src/fs/fspropset.h
@@ -112,9 +112,10 @@ public:
         FT_DOOR,
         FT_PORT,
         FT_NAMED,
-	FT_MESSAGE_QUEUE,
-	FT_SEMAPHORE,
-	FT_SHARED_MEMORY,
+        FT_NATIVE,
+        FT_MESSAGE_QUEUE,
+        FT_SEMAPHORE,
+        FT_SHARED_MEMORY,
         FT_NUMITEMS
     };
 
diff --git a/src/fs/fsstrings.cpp b/src/fs/fsstrings.cpp
index 36cc3dd..7a9d927 100644
--- a/src/fs/fsstrings.cpp
+++ b/src/fs/fsstrings.cpp
@@ -41,19 +41,20 @@
 
 TSS_BeginStringtable(cFS)
 
-    TSS_StringEntry(fs::STR_FT_INVALID, _T("Invalid")),
-    TSS_StringEntry(fs::STR_FT_FILE, _T("Regular File")),
-    TSS_StringEntry(fs::STR_FT_DIR, _T("Directory")),
-    TSS_StringEntry(fs::STR_FT_BLOCKDEV, _T("Block Device")),
-    TSS_StringEntry(fs::STR_FT_CHARDEV, _T("Character Device")),
-    TSS_StringEntry(fs::STR_FT_SYMLINK, _T("Symbolic Link")),
-    TSS_StringEntry(fs::STR_FT_FIFO, _T("FIFO")),
-    TSS_StringEntry(fs::STR_FT_SOCK, _T("Socket")),
-    TSS_StringEntry(fs::STR_FT_DOOR, _T("Door")),
-    TSS_StringEntry(fs::STR_FT_PORT, _T("Event Port")),
-    TSS_StringEntry(fs::STR_FT_NAMED, _T("Named Special File")),
+    TSS_StringEntry(fs::STR_FT_INVALID,       _T("Invalid")),
+    TSS_StringEntry(fs::STR_FT_FILE,          _T("Regular File")),
+    TSS_StringEntry(fs::STR_FT_DIR,           _T("Directory")),
+    TSS_StringEntry(fs::STR_FT_BLOCKDEV,      _T("Block Device")),
+    TSS_StringEntry(fs::STR_FT_CHARDEV,       _T("Character Device")),
+    TSS_StringEntry(fs::STR_FT_SYMLINK,       _T("Symbolic Link")),
+    TSS_StringEntry(fs::STR_FT_FIFO,          _T("FIFO")),
+    TSS_StringEntry(fs::STR_FT_SOCK,          _T("Socket")),
+    TSS_StringEntry(fs::STR_FT_DOOR,          _T("Door")),
+    TSS_StringEntry(fs::STR_FT_PORT,          _T("Event Port")),
+    TSS_StringEntry(fs::STR_FT_NAMED,         _T("Named Special File")),
+    TSS_StringEntry(fs::STR_FT_NATIVE,        _T("Native Object")),
     TSS_StringEntry(fs::STR_FT_MESSAGE_QUEUE, _T("Message Queue")),
-    TSS_StringEntry(fs::STR_FT_SEMAPHORE, _T("Semaphore")),
+    TSS_StringEntry(fs::STR_FT_SEMAPHORE,     _T("Semaphore")),
     TSS_StringEntry(fs::STR_FT_SHARED_MEMORY, _T("Shared Memory")),
   
     // property names
diff --git a/src/fs/fsstrings.h b/src/fs/fsstrings.h
index dc7f279..55b3118 100644
--- a/src/fs/fsstrings.h
+++ b/src/fs/fsstrings.h
@@ -46,7 +46,7 @@ TSS_BeginStringIds(fs)
 
     // file types
     STR_FT_INVALID,
-    STR_FT_FILE, STR_FT_DIR, STR_FT_BLOCKDEV, STR_FT_CHARDEV, STR_FT_SYMLINK, STR_FT_FIFO, STR_FT_SOCK, STR_FT_DOOR, STR_FT_PORT, STR_FT_NAMED, 
+    STR_FT_FILE, STR_FT_DIR, STR_FT_BLOCKDEV, STR_FT_CHARDEV, STR_FT_SYMLINK, STR_FT_FIFO, STR_FT_SOCK, STR_FT_DOOR, STR_FT_PORT, STR_FT_NAMED, STR_FT_NATIVE,
   STR_FT_MESSAGE_QUEUE, STR_FT_SEMAPHORE, STR_FT_SHARED_MEMORY,
     // property names
     STR_PROP_DEV, STR_PROP_RDEV, STR_PROP_INODE, STR_PROP_MODE, STR_PROP_NLINK, STR_PROP_UID, STR_PROP_GID,