Linux下的ＥＤＡ技术指导实验书，01_02_linux系统操作命令及shell编程，03_vi编辑器基本应用，04_05_NC仿真器，06_TCL基本命令练习，07_TCL高级命令练习等等。(Linux under the guidance of EDA technology experiment book, 01_02_linux system operation command and shell programming, 03_vi editor basic application, 04_05_NC emulator, 06_TCL basic command exercise, 07_TCL advanced command exercises, etc..)