The tail command makes it easy to view log entries as they are written in real-time. Jack Wallen shows you how to make use of this indispensable tool. One of the single most helpful tools in your ...

One of the things that every Unix systems administrator needs to know to properly manage a Unix system is who else is using the powers of root. Without that knowledge, it is not possible to be ...

Last week’s column looked at how we can read from and write to files by associated the files with user-defined file descriptors. This week, we take this idea a bit further. Closing File Descriptors In ...