One of the files that the average Unix sysadmin rarely looks at, almost never changes and yet depends on every time he or she reboots a system is the /etc/inittab file. This modest little file ...

You use the chmod command to set each of these permissions. To see what permissions have been set on a file or directory, we ...

Linux provides a number of handy commands for managing file permissions, understanding who has access to the files and checking on file content. There’s a lot more to working with files on Linux than ...

CentOS is a free version of the Red Hat Enterprise Linux operating system. It is built from the same source code as Red Hat and is designed to be used in a business environment. Unlike Red Hat, it ...

Get to know the Linux hosts file and how to use it Your email has been sent If you're new to Linux, there's a very handy file you'll want to learn about right away. Jack Wallen introduces you to the ...

How to use Unison to sync files on Linux machines across a network Your email has been sent With Linux there are so many ways to synchronize and/or backup files over a network. For many, rsync and scp ...

Hidden files are a standard feature in Linux. Some applications save configuration files and other data in hidden files or folders that aren't visible by default. Fortunately, Linux makes working with ...

Want to know the tricks of replacing a variable in a file using the SED command? This article will give you an overview of replacing a variable value in a file using SED. Before replacing a variable ...

If you need to share or transfer files between Linux machines, you have plenty of options. Here are some you might not have considered.