Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and control program flow in scripts. Be ...

There are quite a few exit codes used on Linux systems, though no listing you can display when you’re feeling curious. In fact, you won’t see the numeric codes unless you specifically ask for them.

An exit code other than 0 indicates that a script or a command has failed in some way. Learn more about exit codes and the types of errors they represent in this post. Whenever you run a command in a ...

ITworld.com – Some of the worst-written scripts that I have encountered perform some action on behalf of the person running the script and then blithely continue on without ever checking whether the ...

Last month, we looked at signals, the rudimentary mechanism that processes on a Linux box can use to communicate events and state changes. We talked about how each of the signals can be sent manually ...

How to use the Linux screen command to keep your remote processes running Your email has been sent Jack Wallen shows you a handy Linux trick that can go a long way to prevent you from losing precious ...

You can execute DOS or Windows commands from your SAS session either asynchronously or synchronously. When you run a command as an asynchronous task, the command executes independently of all other ...

You can execute UNIX commands from your SAS session either asynchronously or synchronously. When you run a command as an asynchronous task, the command executes independently of all other tasks that ...

If you have been wondering about how to clear the CMD screen in Windows 11/10, this post is going to help you. The Command Prompt, aka CMD, is a command-line interpreter on your Windows PCs, the ...