摘要：
Here’s an example command:wibble > /dev/null 2>&1Output redirectionThe greater-thans (>) in commands like these redirect the program’s output somewhere. In this case, something is being redirected into/dev/null, and something is being redirected into&1.Standard in, out, and errorThe 阅读全文
posted @ 2013-10-22 17:45 Jason Koo 阅读(161) 评论(0) 推荐(0) 编辑