1、制作补丁包

　　命令格式　　diff -uNr  oldfile.c newfile.c > x.patch

2、打补丁

　　命令格式　　patch -p0 < x.patch

总结一下：
单个文件
diff –uN from-file to-file >to-file.patch
patch –p0 < to-file.patch
patch –RE –p0 < to-file.patch
多个文件
diff –uNr from-docu to-docu >to-docu.patch
patch –p1 < to-docu.patch
patch –R –p1

本文转自郝峰波博客园博客，原文链接：http://www.cnblogs.com/fengbohello/p/4632550.html，如需转载请自行联系原作者