啥时出第三课啊？

期待第三课呢

快出第三课吧，我环境都建好了

【Linux探索之旅】第一部分第三课：测试并安装Ubuntu
http://coderunity.com/2015/07/23/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%80%E9%83%A8%E5%88%86%E7%AC%AC%E4%B8%89%E8%AF%BE%EF%BC%9A%E6%B5%8B%E8%AF%95%E5%B9%B6%E5%AE%89%E8%A3%85ubuntu/

【Linux探索之旅】第一部分第四课：磁盘分区，并完成Ubuntu安装
http://coderunity.com/2015/07/26/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%80%E9%83%A8%E5%88%86%E7%AC%AC%E5%9B%9B%E8%AF%BE%EF%BC%9A%E7%A3%81%E7%9B%98%E5%88%86%E5%8C%BA%EF%BC%8C%E5%B9%B6%E5%AE%8C/
【Linux探索之旅】第一部分第五课：Unity桌面，人生若只如初见
http://coderunity.com/2015/07/31/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%80%E9%83%A8%E5%88%86%E7%AC%AC%E4%BA%94%E8%AF%BE%EF%BC%9Aunity%E6%A1%8C%E9%9D%A2%EF%BC%8C%E4%BA%BA%E7%94%9F%E8%8B%A5%E5%8F%AA/
【Linux探索之旅】第一部分第六课：Linux如何安装在虚拟机中
http://coderunity.com/2015/07/31/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%80%E9%83%A8%E5%88%86%E7%AC%AC%E5%85%AD%E8%AF%BE%EF%BC%9Alinux%E5%A6%82%E4%BD%95%E5%AE%89%E8%A3%85%E5%9C%A8%E8%99%9A%E6%8B%9F/
【Linux探索之旅】第一部分测试题
http://coderunity.com/2015/07/31/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%80%E9%83%A8%E5%88%86%E6%B5%8B%E8%AF%95%E9%A2%98/
【Linux探索之旅】第二部分第一课：终端Terminal，好戏上场
http://coderunity.com/2015/07/31/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E7%AC%AC%E4%B8%80%E8%AF%BE%EF%BC%9A%E7%BB%88%E7%AB%AFterminal%EF%BC%8C%E5%A5%BD%E6%88%8F%E4%B8%8A/

【Linux探索之旅】第二部分第二课：命令行，世界尽在掌握
http://coderunity.com/2015/08/18/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E7%AC%AC%E4%BA%8C%E8%AF%BE%EF%BC%9A%E5%91%BD%E4%BB%A4%E8%A1%8C%EF%BC%8C%E4%B8%96%E7%95%8C%E5%B0%BD/
【Linux探索之旅】第二部分第三课：文件和目录，组织不会亏待你
http://coderunity.com/2015/08/18/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E7%AC%AC%E4%B8%89%E8%AF%BE%EF%BC%9A%E6%96%87%E4%BB%B6%E5%92%8C%E7%9B%AE%E5%BD%95%EF%BC%8C%E7%BB%84/
【Linux探索之旅】第二部分第四课：文件操纵，鼓掌之中
http://coderunity.com/2015/08/18/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E7%AC%AC%E5%9B%9B%E8%AF%BE%EF%BC%9A%E6%96%87%E4%BB%B6%E6%93%8D%E7%BA%B5%EF%BC%8C%E9%BC%93%E6%8E%8C/

【Linux探索之旅】第二部分第五课：用户和权限，有权就任性
http://coderunity.com/2015/08/23/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E7%AC%AC%E4%BA%94%E8%AF%BE%EF%BC%9A%E7%94%A8%E6%88%B7%E5%92%8C%E6%9D%83%E9%99%90%EF%BC%8C%E6%9C%89/
【Linux探索之旅】第二部分第六课：Nano，初学者的文本编辑器
http://coderunity.com/2015/08/30/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E7%AC%AC%E5%85%AD%E8%AF%BE%EF%BC%9Anano%EF%BC%8C%E5%88%9D%E5%AD%A6%E8%80%85%E7%9A%84%E6%96%87%E6%9C%AC/

【Linux探索之旅】第二部分第七课：软件安装，如虎添翼
http://coderunity.com/2015/09/04/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E7%AC%AC%E4%B8%83%E8%AF%BE%EF%BC%9A%E8%BD%AF%E4%BB%B6%E5%AE%89%E8%A3%85%EF%BC%8C%E5%A6%82%E8%99%8E/
【Linux探索之旅】第二部分第八课：RTFM 阅读那该死的手册
http://coderunity.com/2015/09/04/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E7%AC%AC%E5%85%AB%E8%AF%BE%EF%BC%9Artfm-%E9%98%85%E8%AF%BB%E9%82%A3%E8%AF%A5%E6%AD%BB%E7%9A%84%E6%89%8B/
【Linux探索之旅】第二部分第九课：查找文件，无所遁形
http://coderunity.com/2015/09/04/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E7%AC%AC%E4%B9%9D%E8%AF%BE%EF%BC%9A%E6%9F%A5%E6%89%BE%E6%96%87%E4%BB%B6%EF%BC%8C%E6%97%A0%E6%89%80/
【Linux探索之旅】第二部分测试题
http://coderunity.com/2015/09/04/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%BA%8C%E9%83%A8%E5%88%86%E6%B5%8B%E8%AF%95%E9%A2%98/
【Linux探索之旅】第三部分第一课：数据处理，慢条斯理
http://coderunity.com/2015/09/09/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%89%E9%83%A8%E5%88%86%E7%AC%AC%E4%B8%80%E8%AF%BE%EF%BC%9A%E6%95%B0%E6%8D%AE%E5%A4%84%E7%90%86%EF%BC%8C%E6%85%A2%E6%9D%A1/
【Linux探索之旅】第三部分第二课：流、管道、重定向，三管齐下
http://coderunity.com/2015/09/14/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%89%E9%83%A8%E5%88%86%E7%AC%AC%E4%BA%8C%E8%AF%BE%EF%BC%9A%E6%B5%81%E3%80%81%E7%AE%A1%E9%81%93%E3%80%81%E9%87%8D%E5%AE%9A/

【Linux探索之旅】第三部分第三课：监视系统活动，滴水不漏
http://coderunity.com/2015/09/15/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%89%E9%83%A8%E5%88%86%E7%AC%AC%E4%B8%89%E8%AF%BE%EF%BC%9A%E7%9B%91%E8%A7%86%E7%B3%BB%E7%BB%9F%E6%B4%BB%E5%8A%A8%EF%BC%8C/
【Linux探索之旅】第三部分第四课：后台运行及合并多个终端
http://coderunity.com/2015/09/18/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%89%E9%83%A8%E5%88%86%E7%AC%AC%E5%9B%9B%E8%AF%BE%EF%BC%9A%E5%90%8E%E5%8F%B0%E8%BF%90%E8%A1%8C%E5%8F%8A%E5%90%88%E5%B9%B6/

【Linux探索之旅】第三部分第五课：延时执行，唯慢不破
http://coderunity.com/2015/09/21/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%89%E9%83%A8%E5%88%86%E7%AC%AC%E4%BA%94%E8%AF%BE%EF%BC%9A%E5%BB%B6%E6%97%B6%E6%89%A7%E8%A1%8C%EF%BC%8C%E5%94%AF%E6%85%A2/
【Linux探索之旅】第三部分测验题http://coderunity.com/2015/09/21/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E4%B8%89%E9%83%A8%E5%88%86%E6%B5%8B%E9%AA%8C%E9%A2%98/

官网linux分类下没有第三课啊

【Linux探索之旅】第四部分第一课：压缩文件，解压无压力
http://coderunity.com/2015/10/21/%E3%80%90linux%E6%8E%A2%E7%B4%A2%E4%B9%8B%E6%97%85%E3%80%91%E7%AC%AC%E5%9B%9B%E9%83%A8%E5%88%86%E7%AC%AC%E4%B8%80%E8%AF%BE%EF%BC%9A%E5%8E%8B%E7%BC%A9%E6%96%87%E4%BB%B6%EF%BC%8C%E8%A7%A3%E5%8E%8B/