diff 两个目录
diff -ruNa xx xxx >x.patch
patch xx 到xxx(叫xxx内容和xx一样)
cd xxx patch -p1<../x.patch
回复xxx 到原来
cd xxx patch -R -p1<../x.patch
diff 两个目录
diff -ruNa xx xxx >x.patch
patch xx 到xxx(叫xxx内容和xx一样)
cd xxx patch -p1<../x.patch
回复xxx 到原来
cd xxx patch -R -p1<../x.patch