android 环境变量配置

遇到 sudo  command not fond  怎么办：

         

jinyu@jinyu-Rev-1-0:~$ echo $PATH
/home/jinyu/android-sdk-linux/platform-tools
jinyu@jinyu-Rev-1-0:~$ export PATH=/usr/bin/:$PATH
jinyu@jinyu-Rev-1-0:~$ echo $PATH
/usr/bin/:/home/jinyu/android-sdk-linux/platform-tools
jinyu@jinyu-Rev-1-0:~$ export PATH=/bin/:$PATH
jinyu@jinyu-Rev-1-0:~$ sudo gedit /etc/environment