The unofficial name of MS-DOS when used on IBM machines (the official name was ‘DOS’). From 1993, when IBM took over its development, PC-DOS diverged slightly from MS-DOS.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。