本文以Dialog系統之書目資料庫為檢索系統，檢索者的來源則為本身具有資訊需求的國立臺灣大學教職員生。本文的主要目的在統計終端使用者最常使用的指令，企圖提供國人在線上資料尋求行為上最基礎的使用研究數據。

　　　　　The purpose of this article is to analyze the seazrching behavior of end-users. The subjects are real end-users from National Taiwan University. Theis article uses the DIALOG command language as its searching too. It attempts to analyze the commands used in online searching environment and to provide some basic statistic data for use studies.