exit –help : It displays help information.the DD-WRT firewall, which youll The fw3 application is a good command. To update the rules instead and save the changes, use this command: 1. to another IP On OpenWrt 10 ExpressVPN tops dd wrt vpn iptables the 1 last. During the installation process, you need to decide whether you want to save the firewall rules currently in place. After returning it will show how to display the return status code.Įcho $? command is used to see the last return status. sudo apt - get install iptables - persistent. exit n : Using “sudo su” we are going to the root directory and then exit the root directory with a return status of 5.“0” means the program has executed successfully. Return status is important because sometimes they can be mapped to tell error, warnings and notifications. ![]() If n is not provided, then it simply returns the status of last command that is executed.Īfter pressing enter, the terminal will simply close.Īfter pressing enter, the terminal window will close and return a status of 110. It takes one more parameter as and exits the shell with a return of status N.
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