Exhibit 5.1








                               September 25, 2002




The Board of Directors of Caldera International, Inc.
355 South 520 West
Lindon, Utah 84042

Re:      Registration Statement on Form S-8 filed by Caldera International, Inc.
         (the "Company") with respect to the shares of common stock issued in
         connection with the Caldera International, Inc. 2002 Omnibus Stock
         Incentive Plan (the "Plan")

Gentlemen:

         We refer you to the Company's Registration Statement on Form S-8 (the
"Registration Statement") to be filed under the Securities Act of 1933, as
amended, for registration of up to 1,500,000 shares of common stock, par value
$.001 per share, of the Company ("Common Stock") potentially subject to awards
under the Plan. We advise you that, in our opinion:

                  The issuance of up to 1,500,000 shares of Common Stock
                  pursuant to awards under the Plan has been duly approved by
                  the board of directors of the Company and such shares, when
                  issued in accordance with the provisions of the Plan, will be
                  legally issued, fully paid and nonassessable. We assume, for
                  these purposes, that the issuance of any awards under the Plan
                  and of the Common Stock subject to such awards will be made
                  pursuant to the Plan, in full accordance with the terms and
                  conditions of the Plan and pursuant to this Registration
                  Statement.

         We hereby consent to the identification of us as having rendered the
opinion herein, and reference to the foregoing opinion, including the filing of
this opinion as an exhibit, to the Registration Statement.

                                       Very truly yours,

                                       /s/ Parr Waddoups Brown Gee & Loveless

                                       PARR WADDOUPS BROWN GEE & LOVELESS