深以为然的话

It is difficult, if not impossible, for anyone to learn a subject purely by reading about it, without applying the information to specific problems and thereby forcing himself to think about what has been read. Furthermore, we all learn best the things that we have discovered ourselves.

—DONALD KNUTH, The Art of Computer Programming

两条公理：

  1. 机器永远是对的
  2. 没有调试的代码永远是错的

Prerequisites

  1. 合格的操作系统用户
    • 会STFW/RTFM自己动手解决问题 Search the fucking Web,Read the fucking manual
    • 不怕使用任何命令行工具
    • vim,tmux,grep,gcc,binutils,..

好用的工具：

  • man v.s. tldr(too long dont read)