update doc

en/_sources/install-detail.md.txt

@@ -9,14 +9,14 @@ Install Arthas
 Download`arthas-boot.jar`，Start with `java` command:
 
 ```bash
-$ wget https://alibaba.github.io/arthas/arthas-boot.jar
-$ java -jar arthas-boot.jar
+wget https://alibaba.github.io/arthas/arthas-boot.jar
+java -jar arthas-boot.jar
 ```
 
 Print usage:
 
 ```bash
-$ java -jar arthas-boot.jar -h
+java -jar arthas-boot.jar -h
 ```
 
 
@@ -25,7 +25,7 @@ $ java -jar arthas-boot.jar -h
 You can install Arthas with one single line command on Linux, Unix, and Mac. Pls. copy the following command and paste it into the command line, then press *Enter* to run:
 
 ```bash
-$ curl -L https://alibaba.github.io/arthas/install.sh | sh
+curl -L https://alibaba.github.io/arthas/install.sh | sh
 ```
 
 The command above will download the bootstrap script `as.sh` to the current directory. You can move it the any other place you want, or put its location in `$PATH`.
@@ -40,13 +40,13 @@ Latest Version, Click To Download: [![Arthas](https://img.shields.io/maven-centr
 Download and unzip, find `arthas-boot.jar` in the directory. Start with `java` command:
 
 ```bash
-$ java -jar arthas-boot.jar
+java -jar arthas-boot.jar
 ```
 
 Print usage:
 
 ```bash
-$ java -jar arthas-boot.jar -h
+java -jar arthas-boot.jar -h
 ```
 
 ## Manual Installation
@@ -64,7 +64,8 @@ Latest Version, Click To Download:[![Arthas](https://img.shields.io/maven-centra
 * On Linux/Unix/Mac, delete the files with the following command:
 
     ```bash
-    $ rm -rf ~/.arthas/
+    rm -rf ~/.arthas/
+    rm -rf ~/logs/arthas/
     ```
 
-* On Windows, delete `.arthas` directory under user home.
+* On Windows, delete `.arthas` and `logs/arthas` directory under user home.

en/_sources/quick-start.md.txt

@@ -4,8 +4,8 @@ Quick Start
 ## 1. Start Demo Application
 
 ```bash
-$ wget https://alibaba.github.io/arthas/arthas-demo.jar
-$ java -jar arthas-demo.jar
+wget https://alibaba.github.io/arthas/arthas-demo.jar
+java -jar arthas-demo.jar
 ```
 
 `arthas-demo` is a simple program that generates a random number every second, then find all prime factors of the number.
@@ -19,8 +19,8 @@ The source code of `arthas-demo`: [View](https://github.com/alibaba/arthas/blob/
 Execute the following command in the command line:
 
 ```bash
-$ wget https://alibaba.github.io/arthas/arthas-boot.jar
-$ java -jar arthas-boot.jar
+wget https://alibaba.github.io/arthas/arthas-boot.jar
+java -jar arthas-boot.jar
 ```
 
 * The user to run this command *MUST* have the same privilege as the owner of the target process, as a simple example you can try the following command if the target process is managed by user `admin`: `sudo su admin && java -jar arthas-boot.jar` or `sudo -u admin -EH java -jar arthas-boot.jar`