Go to the directory where hlds_run is and use this command
Code:
screen -S cs ./hlds_run -game cstrike..and so on
Then to detach it press CTRL+A+D
Then you can quit putty
The next time you login putty, you can re attach the hlds on your screen using this command:
Then detach it again before you quit putty.
EDIT:
@
coolpisces123, you're talking about linux right?