@@ -1,4 +1,4 @@
-###Index
+###Index
* [Ada](#ada)
* [Agda](#agda)
* [Android](#android)
@@ -606,6 +606,7 @@
* [Learning the bash Shell](http://www.redbrick.dcu.ie/~teapott/MECS/Notes/learning_bash.pdf)
* [Lhunath's Bash Guide](http://mywiki.wooledge.org/BashGuide)
* [The Command Line Crash Course](http://learncodethehardway.org/cli/book/) (also a Powershell reference)
+* [Conquering the Command Line](http://conqueringthecommandline.com/book/frontmatter#top) - Mark Bates
###Basic
HungMingWu