A short computer program that is permanently resident or easily loaded into a computer, whose execution brings another, larger program, such as an operating system or its loader, into memory. 一段短的計算機程序，它常駐計算機或很容易裝入計算機中。引導程序的執行能把另一個較大的程序如操作系統或其裝入程序引入到內存中。
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