One of the last things the Linux kernel does during system boot is mount the root filesystem. The Linux kernel dictates no filesystem structure, but user space applications expect to find files with ...

Some days, it doesn't rain, it pours. That's the case with Linux today. Not one, but two serious security holes have recently been exposed. First, there was a systemd bug which could easily knock out ...

Just to make sure you're aware, the 'f' flag to ps will give you a 'forest'-type diagram of process parent/child relationships. Taking a quick glance through /proc, it looks like you have to loop ...

Triggering scripts with incron and systemd. It is, at times, important to know when things change in the Linux OS. The uses to which systems are placed often include high-priority data that must be ...

Ever since the /proc file system first made an appearance on Unix systems, getting information on running processes became a whole lot easier. The useful, but too often insufficient information ...

Linux is the most flexible and customizable operating system on the planet. That customizability starts deep within the heart of the Linux kernel and the file system. A computer file system is a ...

What are these weird directories, and why are they there? If you are new to the Linux command line, you may find yourself wondering why there are so many unusual directories, what they are there for, ...