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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G/A
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                             (AMENDMENT NO. 4 )*


                              UNIFIRST CORPORATION
                                (Name of Issuer)

                                     COMMON
                         (Title of Class of Securities)

                                    904708104
                                 (CUSIP Number)

                                DECEMBER 31, 2001
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[X]   Rule 13d-1(b)

[ ]   Rule 13d-1(c)

[ ]   Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



CUSIP No. 904708104

--------------------------------------------------------------------------------
          1.       Names of Reporting Persons.
                   I.R.S. Identification Nos. of above persons (entities only).
                   FLEETBOSTON FINANCIAL CORPORATION
                   05-0341324

--------------------------------------------------------------------------------
          2.       Check the Appropriate Box if a Member of a Group (See
                   Instructions)
                   (a)   [ ]

                   (b)   [ ]

--------------------------------------------------------------------------------
          3.       SEC Use Only


--------------------------------------------------------------------------------
          4.       Citizenship or Place of Organization.
                   100 FEDERAL STREET
                   BOSTON, MASSACHUSETTS 02110

--------------------------------------------------------------------------------
    Number of        5.   Sole Voting Power  679,870

      Shares         -----------------------------------------------------------
                     6.   Shared Voting Power   0
  Beneficially
                     -----------------------------------------------------------
     Owned by        7.   Sole Dispositive Power  996,670

  Each Reporting     -----------------------------------------------------------
                     8.   Shared Dispositive Power  0
   Person With
--------------------------------------------------------------------------------
          9.       Aggregate Amount Beneficially Owned by Each Reporting
                   Person 996,670

--------------------------------------------------------------------------------
          10.      Check if the Aggregate Amount in Row (11) Excludes Certain
                   Shares (See Instructions)

--------------------------------------------------------------------------------
          11.      Percent of Class Represented by Amount in Row (11) 11.0889%

--------------------------------------------------------------------------------
          12.      Type of Reporting Person (See Instructions) HC

--------------------------------------------------------------------------------

ITEM 1.

            (a)          Name of Issuer  UNIFIRST CORPORATION

            (b)          Address of Issuer's Principal Executive Offices
                         68 JONSPIN ROAD, WILMINGTON, MA 01887-1086
ITEM 2.

                         Name of Person Filing FLEETBOSTON FINANCIAL
            (a)          CORPORATION

                         Address of Principal Business Office or, if none,
                         Residence
            (b)          100 FEDERAL STREET
                           BOSTON, MASSACHUSETTS 02110

            (c)          Citizenship MASSACHUSETTS

            (d)          Title of Class of Securities  COMMON

            (e)          CUSIP Number  904708104

ITEM 3.     IF THIS STATEMENT IS FILED PURSUANT TO SECTION 240.13d-1(b) OR
            240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

            (a)          [ ]                 Broker or dealer registered under
                                             section 15 of the Act (15 U.S.C.
                                             78o).

            (b)          [ ]                 Bank as defined in section 3(a)(6)
                                             of the Act (15 U.S.C. 78c).

            (c)          [ ]                 Insurance company as defined in
                                             section 3(a)(19) of the Act (15
                                             U.S.C. 78c).

            (d)          [ ]                 Investment company registered under
                                             section 8 of the Investment Company
                                             Act of 1940 (15 U.S.C. 80a-8).

            (e)          [ ]                 An investment adviser in
                                             accordance with
                                             Section 240.13d-1(b)(1)(ii)(E);

            (f)          [ ]                 An employee benefit plan or
                                             endowment fund in accordance with
                                             Section 240.13d-1(b)(1)(ii)(F);

            (g)          [X]                 A parent holding company or control
                                             person in accordance with Section
                                             240.13d-1(b)(1)(ii)(G);

            (h)          [ ]                 A savings associations as defined
                                             in Section 3(b) of the Federal
                                             Deposit Insurance Act (12 U.S.C.
                                             1813);

            (i)          [ ]                 A church plan that is excluded from
                                             the definition of an investment
                                             company under section 3(c)(14) of
                                             the Investment Company Act of 1940
                                             (15 U.S.C. 80a-3);

            (j)          [ ]                 Group, in accordance with
                                             Section 240.13d-1(b)(1)(ii)(J).

ITEM 4.     OWNERSHIP.

Provide the following information regarding the aggregate number and percentage
of the class of securities of the issuer identified in Item 1.

            (a)          Amount beneficially owned:  996,670

            (b)          Percent of class:   11.0889%

            (c)          Number of shares as to which the person has:

                                             Sole power to vote or to direct the
                                             vote
                         (i)                 679,870

                                             Shared power to vote or to direct
                         (ii)                the vote
                                              0

                         (iii)               Sole power to dispose or to direct
                                             the disposition of   996,670

                         (iv)                Shared power to dispose or to
                                             direct the disposition of
                                              0

Instruction. For computations regarding securities which represent a right to
acquire an underlying security see Section 240.13d-3(d)(1).

ITEM 5.     OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following []. Instruction:
Dissolution of a group requires a response to this item.

ITEM 6.     OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

If any other person is known to have the right to receive or the power to direct
the receipt of dividends from, or the proceeds from the sale of, such
securities, a statement to that effect should be included in response to this
item and, if such interest relates to more than five percent of the class, such
person should be identified. A listing of the shareholders of an investment
company registered under the Investment Company Act of 1940 or the beneficiaries
of employee benefit plan, pension fund or endowment fund is not required.

ITEM 7.     IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
            THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY

If a parent holding company has filed this schedule, pursuant to Rule
13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the
identity and the Item 3 classification of the relevant subsidiary. If a parent
holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule
13d-1(d), attach an exhibit stating the identification of the relevant
subsidiary. EXHIBIT A ATTACHED

ITEM 8.     IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

If a group has filed this schedule pursuant to Section 240.13d-1(b)(1)(ii)(J),
so indicate under Item 3(j) and attach an exhibit stating the identity and Item
3 classification of each member of the group. If a group has filed this schedule
pursuant to Section 240.13d-1(c) or Section 240.13d-1(d), attach an exhibit
stating the identity of each member of the group.

ITEM 9.     NOTICE OF DISSOLUTION OF GROUP

Notice of dissolution of a group may be furnished as an exhibit stating the date
of the dissolution and that all further filings with respect to transactions in
the security reported on will be filed, if required, by members of the group, in
their individual capacity. See Item 5.



ITEM 10.    CERTIFICATION

            (a)          The following certification shall be included if the
                         statement is filed pursuant to Section 240.13d-1(b):

                            By signing below I certify that, to the best of my
                            knowledge and belief, the securities referred to
                            above were acquired and are held in the ordinary
                            course of business and were not acquired and are not
                            held for the purpose of or with the effect of
                            changing or influencing the control of the issuer of
                            the securities and were not acquired and are not
                            held in connection with or as a participant in any
                            transaction having that purpose or effect.

            (b)          The following certification shall be included if the
                         statement is filed pursuant to Section 240.13d-1(c):

                            By signing below I certify that, to the best of my
                            knowledge and belief, the securities referred to
                            above were not acquired and are not held for the
                            purpose of or with the effect of changing or
                            influencing the control of the issuer of the
                            securities and were not acquired and are not held in
                            connection with or as a participant in any
                            transaction having that purpose or effect.

                                    SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.


                              FEBRUARY 14, 2002
                              -----------------
                              Date

                              /S/ ERNEST L. PUSCHAVER
                              -----------------------
                              Signature

                              ERNEST L. PUSCHAVER, CHIEF ACCOUNTING OFFICER
                              ---------------------------------------------
                              Name/Title