content: <PAGE>
  
  ================================================================================
  
                        SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C. 20549
  
                                     FORM 8-K
  
                                  CURRENT REPORT
                        Pursuant to Section 13 or 15(d) of
                        the Securities Exchange Act of 1934
  
  
  
                                    May 7, 2001
                                    -----------
                 Date of Report (Date of earliest event reported)
  
  
  
                                 TARANTELLA, INC.
  --------------------------------------------------------------------------------
              (Exact name of registrant as specified in its charter)
  
           California                       0-21484                 94-2549086
   ---------------------------      ----------------------       ----------------
  (State or other jurisdiction     (Commission File Number)     (I.R.S. Employer
      of incorporation)                                        Identification No.)
  
  
                                425 Encinal Street
                           Santa Cruz, California 95061
                     (Address of principal executive offices)
  
  
                                  (831) 425-7222
               ----------------------------------------------------
               (Registrant's telephone number, including area code)
  <PAGE>
  
  Item 2.   Acquistion or Disposition of Assets
  
            On May 7, 2001, pursuant to an Agreement and Plan of Reorganization
       (the "Reorganization Agreement"), dated August 1, 2000 and amended on
       September 13, 2000, December 12, 2000 and February 9, 2001, with Caldera
       Systems, Inc. ("Caldera Systems") and Caldera International, Inc.
       ("Caldera"), Tarantella, Inc. (formerly, The Santa Cruz Operation, Inc.)
       acquired 16,000,000 shares of Caldera common stock, $23 million in cash (of
       which $7 million was previously received and interest thereon was paid by
       Tarantella) and a non-interest bearing promissory note in the amount of $8
       million (which will be repaid in quarterly installments of $2 million
       beginning in the fifth quarter following May 7, 2001) in exchange for the
       assets related to Tarantella's Server Software and Professional Services
       divisions. The companies have also agreed to share revenue from OpenServer
       products for a period of three years, if sales exceed pre-defined levels
       during that time.
  
  
            On May 7, 2001, Tarantella, Inc. (formerly, The Santa Cruz Operation,
       Inc.) released a press release announcing the closing of the acquisition, a
       copy of which is attached herto as Exhibit 99.1 and is incorporated by
       reference.
  
  Item 5.   Other Events
  
            On May 7, 2001 following the Reorganization, the Company also changed
       its corporate name from The Santa Cruz Operation, Inc. to Tarantella, Inc.
  <PAGE>
  
  Item 7.   Exhibits.
  
            (c) Exhibits.
  
                Exhibit 2.1   Agreement and Plan of Reorganization by and among
                              Caldera Systems, Inc., Caldera International, Inc.
                              and Tarantella, Inc. (formerly, The Santa Cruz
                              Operation, Inc.) dated August 1, 2000, as amended
                              September 13, 2000, December 12, 2000 and February
                              9, 2001.
  
                Exhibit 99.1  Press Release by Tarantella, Inc. (formerly, The
                              Santa Cruz Operation, Inc.) dated as of May 7, 2001.
  <PAGE>
  
                                     SIGNATURE
  
       Pursuant to the requirements of the Securities Exchange Act of 1934, the
  Registrant has duly caused this report to be signed on its behalf by the
  undersigned hereunto duly authorized.
  
  
  
                              TARANTELLA, INC.
  
  
  
  Date: May 16, 2001          By:  /s/ Steven M. Sabbath
                                   --------------------------------------
                                   Steven M. Sabbath
                                   Senior Vice President, Law & Corporate Affairs
  <PAGE>
  
                           INDEX TO EXHIBITS FILED WITH
                 THE CURRENT REPORT ON FORM 8-K DATED MAY 7, 2001
  
            Exhibit          Description
            -------          -----------
  
            Exhibit 2.1      Agreement and Plan of Reorganization by and among
                             Caldera Systems, Inc., Caldera International, Inc.,
                             and Tarantella, Inc. (formerly, The Santa Cruz
                             Operation, Inc.) dated August 1, 2000, as amended
                             September 13, 2000, December 12, 2000 and February 9,
                             2001.
  
            Exhibit 99.1     Press Release by Tarantella, Inc. (formerly, The
                             Santa Cruz Operation, Inc.) dated as of May 7, 2001.
metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "d8k.txt", "description": "FORM 8-K", "secsgml_size_bytes": 4930}]
metadata_filer: {"company-data": {"conformed-name": "TARANTELLA INC", "cik": "0000851560", "assigned-sic": "7372", "irs-number": "942549086", "state-of-incorporation": "CA", "fiscal-year-end": "0930"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-21484", "film-number": "1642005"}, "business-address": {"street1": "425 ENCINAL STREET", "street2": "PO BOX 1900", "city": "SANTA CRUZ", "state": "CA", "zip": "95060", "phone": "4084277172"}, "former-company": {"former-conformed-name": "SANTA CRUZ OPERATION INC", "date-changed": "19940614"}}
text: ================================================================================
  
                        SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C. 20549
  
                                     FORM 8-K
  
                                  CURRENT REPORT
                        Pursuant to Section 13 or 15(d) of
                        the Securities Exchange Act of 1934
  
                                    May 7, 2001
                                    -----------
                 Date of Report (Date of earliest event reported)
  
                                 TARANTELLA, INC.
  --------------------------------------------------------------------------------
              (Exact name of registrant as specified in its charter)
  
           California                       0-21484                 94-2549086
   ---------------------------      ----------------------       ----------------
  (State or other jurisdiction     (Commission File Number)     (I.R.S. Employer
      of incorporation)                                        Identification No.)
  
                                425 Encinal Street
                           Santa Cruz, California 95061
                     (Address of principal executive offices)
  
                                  (831) 425-7222
               ----------------------------------------------------
               (Registrant's telephone number, including area code)
  Item 2.   Acquistion or Disposition of Assets
  
            On May 7, 2001, pursuant to an Agreement and Plan of Reorganization
       (the "Reorganization Agreement"), dated August 1, 2000 and amended on
       September 13, 2000, December 12, 2000 and February 9, 2001, with Caldera
       Systems, Inc. ("Caldera Systems") and Caldera International, Inc.
       ("Caldera"), Tarantella, Inc. (formerly, The Santa Cruz Operation, Inc.)
       acquired 16,000,000 shares of Caldera common stock, $23 million in cash (of
       which $7 million was previously received and interest thereon was paid by
       Tarantella) and a non-interest bearing promissory note in the amount of $8
       million (which will be repaid in quarterly installments of $2 million
       beginning in the fifth quarter following May 7, 2001) in exchange for the
       assets related to Tarantella's Server Software and Professional Services
       divisions. The companies have also agreed to share revenue from OpenServer
       products for a period of three years, if sales exceed pre-defined levels
       during that time.
  
            On May 7, 2001, Tarantella, Inc. (formerly, The Santa Cruz Operation,
       Inc.) released a press release announcing the closing of the acquisition, a
       copy of which is attached herto as Exhibit 99.1 and is incorporated by
       reference.
  
  Item 5.   Other Events
  
            On May 7, 2001 following the Reorganization, the Company also changed
       its corporate name from The Santa Cruz Operation, Inc. to Tarantella, Inc.
  Item 7.   Exhibits.
  
            (c) Exhibits.
  
                Exhibit 2.1   Agreement and Plan of Reorganization by and among
                              Caldera Systems, Inc., Caldera International, Inc.
                              and Tarantella, Inc. (formerly, The Santa Cruz
                              Operation, Inc.) dated August 1, 2000, as amended
                              September 13, 2000, December 12, 2000 and February
                              9, 2001.
  
                Exhibit 99.1  Press Release by Tarantella, Inc. (formerly, The
                              Santa Cruz Operation, Inc.) dated as of May 7, 2001.
  SIGNATURE
  
       Pursuant to the requirements of the Securities Exchange Act of 1934, the
  Registrant has duly caused this report to be signed on its behalf by the
  undersigned hereunto duly authorized.
  
                              TARANTELLA, INC.
  
  Date: May 16, 2001          By:  /s/ Steven M. Sabbath
                                   --------------------------------------
                                   Steven M. Sabbath
                                   Senior Vice President, Law & Corporate Affairs
  INDEX TO EXHIBITS FILED WITH
                 THE CURRENT REPORT ON FORM 8-K DATED MAY 7, 2001
  
            Exhibit          Description
            -------          -----------
  
            Exhibit 2.1      Agreement and Plan of Reorganization by and among
                             Caldera Systems, Inc., Caldera International, Inc.,
                             and Tarantella, Inc. (formerly, The Santa Cruz
                             Operation, Inc.) dated August 1, 2000, as amended
                             September 13, 2000, December 12, 2000 and February 9,
                             2001.
  
            Exhibit 99.1     Press Release by Tarantella, Inc. (formerly, The
                             Santa Cruz Operation, Inc.) dated as of May 7, 2001.