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 ...

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 ...

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 ...

We've managed to build up a certain amount of experience over the last few years with building API's. During the building of our latest Content, Identity and Discussion systems, we realised that we ...