# 程序后台执行 screen

#### 创建并进入screen

``` sh
pungki@mint ~ $ screen
```

#### 列出所有screen

``` sh
pungki@mint ~ $ screen -ls
There are screens on:
        7849.pts-0.mint (10/06/2013 01:50:45 PM)        (Detached)
        5561.pts-0.mint (10/06/2013 11:12:05 AM)        (Detached)
2 Sockets in /var/run/screen/S-pungki
```

#### 离开或结束screen

  There are 2 (two) ways to leaving the screen. First, we are using “Ctrl-A” and “d” to detach the screen. Second, we can use the exit     command to terminating screen. You also can use “Ctrl-A” and “K” to kill the screen.

#### 重新进入screen

``` sh
pungki@mint ~ $ screen -r 7849
```