In this step-by-step guide from Jack Wallen, learn how to access and modify the Linux hosts file to control the mapping of hostnames to IP addresses. At some point in your career as a developer, ...

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 ...

A series of commands ranging from simple to fairly complex will help you count lines, words or individual characters on the Linux command line. Linux includes some useful commands for counting when it ...