<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONDENSED
CONSOLIDATED BALANCE SHEET - UNAUDITED AND CONDENSED CONSOLIDATED STATEMENT OF
INCOME AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH CONDENSED
CONSOLIDATED FINANCIAL STATEMENTS
</LEGEND>
<CIK> 0000859360
<NAME> LEGATO SYSTEMS, INC.
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 105,380
<SECURITIES> 55,723
<RECEIVABLES> 39,767
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 217,615
<PP&E> 38,392
<DEPRECIATION> 0
<TOTAL-ASSETS> 395,335
<CURRENT-LIABILITIES> 65,565
<BONDS> 0
0
0
<COMMON> 0
<OTHER-SE> 329,770
<TOTAL-LIABILITY-AND-EQUITY> 395,335
<SALES> 0
<TOTAL-REVENUES> 118,801
<CGS> 21,572
<TOTAL-COSTS> 139,277
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (17,745)
<INCOME-TAX> (177)
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (17,568)
<EPS-BASIC> (0.20)
<EPS-DILUTED> (0.20)
</TABLE>