大三操作系统的报告，完全包干，给需要的人-Third report of the operating system completely lump sum to those who need it

笔者对硬件和操作系统的工作原理进行了更深一层的研究和学习后，陆陆续续地发现优化中有很多重要环节被我们忽视了。经反复实践对比后发现，这些环节对优化效果起这决定性的作用！总结起来大体上有九个环节，下面笔者就逐一道来。-The author of the hardware and operating system working principle deeper research and study, the land gradually optimization has found an impor

基于多核的并行算法设计，计算一个连续数列的和-The parallel algorithm based on multi-core design, computing a continuous series and

shell scr ipting ( sum,reverse,palindrome,armstrong)