JOINT FILING AGREEMENT

                                                           Exhibit E
                                                           ---------


                                JOINT FILING AGREEMENT


            In accordance with Rule 13d-1(k) under the Securities Exchange
          Act of 1934, the persons named below agree to the joint filing on
          behalf of each of them of a Statement on Schedule 13D (including
          exhibits and thereto) with respect to the acquisition of, or the
          right to acquire, the common stock of Greentree Software, Inc., a
          New York corporation.  This Agreement shall be included as an
          Exhibit to such joint filing.  In evidence thereof, each of the
          undersigned, being duly authorized, hereby executes this
          Agreement as of this 27th day of April, 1998.

                                         L-R GLOBAL PARTNERS, L.P.

                                         By: L-R Managers, LLC,
                                             General Partner



                                         By: /s/ X. Xxxxxx Xxxxx
                                            -----------------------
                                             Name:  X. Xxxxxx Xxxxx
                                             Title:  Investment Manager

                                         L-R MANAGERS, LLC, AS GENERAL
                                         PARTNER OF L-R GLOBAL PARTNERS,
                                         L.P.



                                         By: /s/ X. Xxxxxx Xxxxx
                                             ---------------------------
                                             Name:  X. Xxxxxx Xxxxx
                                             Title:  Investment Manager

                                         X. XXXXXX XXXXX, AS A MEMBER OF L-
                                         R MANAGERS, LLC AND IN HIS
                                         INDIVIDUAL CAPACITY


                                         /s/ X. Xxxxxx Xxxxx
                                         ----------------------------

                         [Signatures continue on next page.]


          

                                         ROCKEFELLER & CO., INC., AS A
                                         MEMBER OF L-R MANAGERS, LLC


                                         By: /s/ Xxxxx X. Xxxxxxxxxxx
                                             ----------------------------
                                             Name:  Xxxxx X. Xxxxxxxxxxx
                                             Title:  Vice President

                                         ROCKEFELLER FINANCIAL SERVICES,
                                         INC., AS SOLE SHAREHOLDER OF
                                         ROCKEFELLER & CO., INC.



                                         By: /s/ Xxxx X. Xxxxxx
                                         -----------------------------
                                         Name:  Xxxx X. Xxxxxx
                                         Title:  Vice President