Process accounting is a method of recording and summarizing commands and processes. It’s an option on Linux systems, but you have to enable it and use a particular command to view the details ...

The ps command that we all use to list processes has some interesting options that many of us never take advantage of. While the commonly used ps -ef provides a complete listing of running processes, ...

RTLinux is a hard real-time OS, as opposed to soft real-time systems or those that make no scheduling guarantees whatsoever. RTLinux is a hard real-time kernel that runs Linux or BSD as an idle task, ...

[Andreas] has created this tutorial on real-time (RT) tasks in Linux. At first blush that sounds like a rather dry topic, but [Andreas] makes things interesting by giving us some real-world demos ...

Linux, an immensely powerful and versatile operating system, sits at the heart of countless applications, from tiny embedded devices to massive servers. A pivotal aspect for any user, whether a ...

Creating a lock file (say, in /tmp) is a common approach. On launch, check to see if the file already exists. If it does, exit. Otherwise, create it and continue. This can lead to problems if your app ...