screen

List out all existing screen sessions.
```
screen -ls
```
Initiate new screen window.
```
screen -S <screen-name>
```
Kill useless screen session.
```
kill <screen-id>
```
Enter an existing detached screen session.
```
screen -r <screen-id>
```
Enter an existing attached screen session (hint: detach first)
```
screen -rd <screen-id>
```
Address screen backspace problem
```
$ export TERM=screen
```
Exit from the current screen window (detach)
- Click Ctrl-a d on the keyboard.
Create a new terminal window in a screen session.
- Click Ctrl-a c on the keyboard.
Rename the current terminal window.
- Click Ctrl-a Shift-a on the keyboard.
List all terminal windows in a screen session.
- Click Ctrl-a Shift-"on the keyboard.
Redirect to the next terminal window.
- Click Ctrl-a Space on the keyboard.
Redirect to the former terminal window.
- Click Ctrl-a Backspace on the keyboard.
Kill the current screen window
- Click Ctrl-a k on the keyboard.
Make the screen session scrollable.
- Click Ctrl-a ESC on the keyboard.
Scroll up in a screen session.
- Press Ctrl-A on the keyboard and press Esc.
- Press the Up and Down arrow keys or the PgUp and PgDn keys to scroll through previous output.
- Press Esc to exit scrollback mode.