Using screen Command in Linux
The screen command is commonly used in remote access to a Linux server. In particular, it can save the system administrator a large amount of time in performing a same task on a number of servers in parallel.
1. Execute a command in screen mode:
# screen -d -m 'command'
2. Enter screen console:
# screen
3. Resume a screen console:
# screen -r 'pid'
4. Exit a screen console:
# Ctrl+A
# Ctrl+D
