If you've been around the Linux and UNIX world as long as I have (is it really going on 30 years? How could that be?), you'll be familiar with the various attempts at multiperson chat that have come ...

One of the most powerful features of Unix and Linux is that using traditional command line tools, everything is a stream of bytes. Granted, modern software has blurred this a bit, but at the command ...

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 ...