Which of the below statements on Linux are correct

$$ The ssh $-$L option allows to forward in an encrypted manner a local port to a port on a remote server.

$$ In systems without virtualization the $/$sbin$/$init process has always $1$ PID.

$$ The tmux allows to reconnect to its detached session even if the tmux session was started with an already closed ssh session.

$$ In bash an alias name can be the same as the command that alias invokes.