* '''TTY, group and session'''. If you start a program from shell, the tty, process group and session of the new program can be shared with the shell itself. People often meet this when they try CRIU for the first tome on a [[simple loop]]. | * '''TTY, group and session'''. If you start a program from shell, the tty, process group and session of the new program can be shared with the shell itself. People often meet this when they try CRIU for the first tome on a [[simple loop]]. |