고급 Bash 스크립팅 가이드

http://coffeenix.net/doc/HOWTOs/html/Adv-Bash-Scr-HOWTO/

http://coffeenix.net/doc/shell/introbashscript.htm

https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/W5fe5344f8b4f_4651_b0cd_4d270afdc036/page/%EC%B4%88%EB%B3%B4%20%EC%8B%9C%EC%8A%A4%ED%85%9C%20%EA%B4%80%EB%A6%AC%EC%9E%90%EB%A5%BC%20%EC%9C%84%ED%95%9C%20Bash%20%EC%8A%A4%ED%81%AC%EB%A6%BD%ED%8A%B8%20%EC%9E%91%EC%84%B1

http://www.dreamy.pe.kr/zbxe/CodeClip/3765734

http://blog.gaerae.com/2015/01/bash-hello-world.html

http://egaoneko.github.io/os/2015/05/24/linux-starter-guide-8.html

http://www.linuxlab.co.kr/docs/10-4.htm

https://www.linux.co.kr/home2/board/subbs/board.php?bo_table=lecture&wr_id=1711

http://resoneit.blogspot.kr/2014/01/bash-git.html