May 31, 8:00 PM ET
SC 13D · OPTISYSTEMS SOLUTIONS LTD · Filed Jun 1, 2000
BMC SOFTWARE, INC. FOR OPTISYSTEMS SOLUTIONS, LTD.
AGREEMENT OF MERGER - DATED MAY 22, 2000
FORM OF STOCK OPTION AGREEMENT
FORM OF SHAREHOLDER UNDERTAKING
FORM OF IRREVOCABLE PROXY