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diff --git a/gcc/m2/gm2-libs/FileSysOp.mod b/gcc/m2/gm2-libs/FileSysOp.mod
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+(* FileSysOp.mod provides procedures to manipulate the file system.
+
+Copyright (C) 2025 Free Software Foundation, Inc.
+Contributed by Gaius Mulley <gaiusmod2@gmail.com>.
+
+This file is part of GNU Modula-2.
+
+GNU Modula-2 is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GNU Modula-2 is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  *)
+
+IMPLEMENTATION MODULE FileSysOp ;
+
+IMPORT StringFileSysOp ;
+FROM DynamicStrings IMPORT String, InitString, KillString ;
+
+
+(*
+   Description: provides access to filesystem operations using
+                Modula-2 base types.
+*)
+
+PROCEDURE Exists (filename: ARRAY OF CHAR) : BOOLEAN ;
+VAR
+   fn    : String ;
+   result: BOOLEAN ;
+BEGIN
+   fn := InitString (filename) ;
+   result := StringFileSysOp.Exists (fn) ;
+   fn := KillString (fn) ;
+   RETURN result
+END Exists ;
+
+
+PROCEDURE IsDir (dirname: ARRAY OF CHAR) : BOOLEAN ;
+VAR
+   fn    : String ;
+   result: BOOLEAN ;
+BEGIN
+   fn := InitString (dirname) ;
+   result := StringFileSysOp.IsDir (fn) ;
+   fn := KillString (fn) ;
+   RETURN result
+END IsDir ;
+
+
+PROCEDURE IsFile (filename: ARRAY OF CHAR) : BOOLEAN ;
+VAR
+   fn    : String ;
+   result: BOOLEAN ;
+BEGIN
+   fn := InitString (filename) ;
+   result := StringFileSysOp.IsFile (fn) ;
+   fn := KillString (fn) ;
+   RETURN result
+END IsFile ;
+
+
+PROCEDURE Unlink (filename: ARRAY OF CHAR) : BOOLEAN ;
+VAR
+   fn    : String ;
+   result: BOOLEAN ;
+BEGIN
+   fn := InitString (filename) ;
+   result := StringFileSysOp.Unlink (fn) ;
+   fn := KillString (fn) ;
+   RETURN result
+END Unlink ;
+
+
+PROCEDURE Access (pathname: ARRAY OF CHAR; mode: AccessMode) : AccessMode ;
+VAR
+   pn    : String ;
+   result: AccessMode ;
+BEGIN
+   pn := InitString (pathname) ;
+   result := StringFileSysOp.Access (pn, mode) ;
+   pn := KillString (pn) ;
+   RETURN result
+END Access ;
+
+
+END FileSysOp.