One of the questions that Unix users are sometimes reluctant to ask is how all the directory names — like /etc, /var and /usr/local — came about in the first place. Why did we adopt the particular ...

If you're new to the UNIX operating system, especially if you're familiar with Windows, you'll find that the file access control mechanisms might not be exactly what you expect. File permissions and ...

We have looked at the fuser command before to display information about what users or processes are keeping file systems busy. This command can save you a lot of time tracking when you need to quickly ...

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 ...

More than just about anyone, Unix systems administrators are going to be very reluctant to share passwords of any kind, but will never share our own. It’s bad enough if we have to share root passwords ...