Boot . a small routine , read into main memory when the computer is turned on , which reads the rest of the operating system into memory . see also initial program load 引導(dǎo)程序:一小段程序。每次開機(jī)就自動(dòng)地讀入內(nèi)存,然后,由它把操作系統(tǒng)的其余部分讀入內(nèi)存??蓞㈤喅跏蓟绦虻难b入。