Shell注释多行的方法
http://www.mike.org.cn/articles/shell-method-of-multi-line-comment/
http://bbs.chinaunix.net/thread-1152658-1-1.html
http://www.mike.org.cn/articles/shell-method-of-multi-line-comment/
http://bbs.chinaunix.net/thread-1152658-1-1.html