diff --git a/src/sys/ubixfsv2/fsAbstract.h b/src/sys/ubixfsv2/fsAbstract.h
new file mode 100644
index 0000000..bd7496c
--- /dev/null
+++ b/src/sys/ubixfsv2/fsAbstract.h
@@ -0,0 +1,15 @@
+#ifndef FSABSTRACT_H
+#define FSABSTRACT_H
+
+class FSAbstract {
+ protected:
+ public: 
+  virtual bool init(void) = 0;
+  virtual bool format(void *, unsigned long long, int) = 0;
+  virtual bool mount(void) = 0;
+  virtual bool unmount(void) = 0;
+  virtual bool verify(void) = 0;
+  virtual     ~FSAbstract(void) { };
+}; // FSAbstract
+
+#endif // !FSABSTRACT_H
diff --git a/src/sys/ubixfsv2/ubixfs.cpp b/src/sys/ubixfsv2/ubixfs.cpp
index 1b4ac28..a936227 100644
--- a/src/sys/ubixfsv2/ubixfs.cpp
+++ b/src/sys/ubixfsv2/ubixfs.cpp
@@ -112,7 +112,7 @@
 } // UbixFS::unmount
 
 bool
-UbixFS::verifyFS(void) {
+UbixFS::verify(void) {
   return true;
 
 } // UbixFS::verifyFS
diff --git a/src/sys/ubixfsv2/ubixfs.h b/src/sys/ubixfsv2/ubixfs.h
index b55247c..15720e9 100644
--- a/src/sys/ubixfsv2/ubixfs.h
+++ b/src/sys/ubixfsv2/ubixfs.h
@@ -2,21 +2,22 @@
 #define UBIXFS_H
 
 #include "superblock.h"
+#include "fsAbstract.h"
 
-class UbixFS {
+class UbixFS : public FSAbstract {
  protected:
   signed char * freeBlockList;
   diskSuperBlock * superBlock;
-  int32 getFreeBlock(uInt32);
-  int32 getFreeBlock(void);
+  int32        getFreeBlock(uInt32);
+  int32        getFreeBlock(void);
  public:
-        UbixFS(void);
-  bool  init(void);
-  bool  format(void *, unsigned long long, int);
-  bool  mount(void);
-  bool  unmount(void);
-  bool  verifyFS(void);
-
+               UbixFS(void);
+  virtual bool init(void);
+  virtual bool format(void *, unsigned long long, int);
+  virtual bool mount(void);
+  virtual bool unmount(void);
+  virtual bool verify(void);
   virtual     ~UbixFS(void); 
 }; // UbixFS
+
 #endif // !UBIXFS_H