[linux]study linux kernel

不錯的文章

http://derekmolloy.ie/category/general/linux/

[linux]shell script 教學

不錯的文章

http://www.runoob.com/linux/linux-shell.html

linux echo命令的-n、-e两个参数
http://blog.sina.com.cn/s/blog_4da051a6010184uk.html

let命令

https://man.linuxde.net/let

http://mirror.sars.tw/Bash_Shell_by_ols3/c860.html

python 調用shell python shell 間變量傳遞

https://blog.csdn.net/ysdaniel/article/details/7970978  -->怪怪的!!

How to import python variable in shell script

https://unix.stackexchange.com/questions/316895/how-to-import-python-variable-in-shell-script