echo is one of the most commonly and widely used built-in command for Linux bash and C shells, that typically used in scripting language and batch files to display a line of text/string on standard output or a file.
Working with permissions on Linux is rather a simple task. You can define permissions for users, groups or others. This works really well when you work on a desktop PC or a virtual Linux instance which typically doesn't have a lot of users, or when users don't share files among...
System administrators (sysadmins) are responsible for day-to-day operations of production systems and services. One of the critical roles of sysadmins is to ensure that operational services are available round the clock.
New Linux users can find the answers to all of their basic questions in this tutorial. What is Linux? Why use it? What is a distribution and how do I choose one? How do I install applications? And more.