Index: include/server.h
===================================================================
--- include/server.h	(revision 3450)
+++ include/server.h	(working copy)
@@ -26,6 +26,7 @@
 	HPNONSTOP,
 	DOS_VIRTUAL,
 	CYGWIN,
+	USS,
 
 	SERVERTYPE_MAX
 };
Index: engine/server.cpp
===================================================================
--- engine/server.cpp	(revision 3450)
+++ engine/server.cpp	(working copy)
@@ -29,7 +29,8 @@
 	_T("z/VM"),
 	_T("HP NonStop"),
 	wxTRANSLATE("DOS-like with virtual paths"),
-	_T("Cygwin")
+	_T("Cygwin"),	
+	_T("z/OS: Unix System Services (USS)") 
 };
 
 CServer::CServer()
Index: engine/serverpath.cpp
===================================================================
--- engine/serverpath.cpp	(revision 3450)
+++ engine/serverpath.cpp	(working copy)
@@ -26,7 +26,8 @@
 	{ '/',  true,  0,    0,    false, 0, 0,   true,  false }, // Same as Unix
 	{ '.',  false, 0,    0,    false, 0, 0,   false, false },
 	{ '\\', true,  0,    0,    false, 0, 0,   true,  false },
-	{ '/',  true,  0,    0,    false, 0, 0,   true,  true  } // Cygwin is like Unix but has optional prefix of form "//server"
+	{ '/',  true,  0,    0,    false, 0, 0,   true,  true  }, // Cygwin is like Unix but has optional prefix of form "//server"
+	{ '/',  true,  0,    0,    false, 0, 0,   true,  false } // z/os-USS (UNIX SYSTEM SERVICES
 };
 
 CServerPathData::CServerPathData()
@@ -603,6 +604,36 @@
 		if (!Segmentize(dir, data.m_segments))
 			return false;
 		break;
+	case USS:
+		{
+			// Remove the double quoation some servers send in PWD reply
+			int i = 0;
+			wxChar c = dir.c_str()[i];
+			while (c == FTP_MVS_DOUBLE_QUOTE)
+				c = dir.c_str()[++i];
+			dir.Remove(0, i);
+
+			while (dir != _T(""))
+			{
+				c = dir.Last();
+				if (c != FTP_MVS_DOUBLE_QUOTE)
+					break;
+				else
+					dir.RemoveLast();
+			}
+			if (dir[0] == traits[m_type].separator)
+				data.m_segments.clear();
+			else if (m_bEmpty)
+				return false;
+
+			if (isFile && !ExtractFile(dir, file))
+				return false;
+
+			if (!Segmentize(dir, data.m_segments))
+				return false;
+		}
+		break;
+
 	case HPNONSTOP:
 		if (dir[0] == '\\')
 			data.m_segments.clear();