Book Image

CentOS Quick Start Guide

By : Shiwang Kalkhanda
Book Image

CentOS Quick Start Guide

By: Shiwang Kalkhanda

Overview of this book

Linux kernel development has been the worlds largest collaborative project to date. With this practical guide, you will learn Linux through one of its most popular and stable distributions. This book will introduce you to essential Linux skills using CentOS 7. It describes how a Linux system is organized, and will introduce you to key command-line concepts you can practice on your own. It will guide you in performing basic system administration tasks and day-to-day operations in a Linux environment. You will learn core system administration skills for managing a system running CentOS 7 or a similar operating system, such as RHEL 7, Scientific Linux, and Oracle Linux. You will be able to perform installation, establish network connectivity and user and process management, modify file permissions, manage text files using the command line, and implement basic security administration after covering this book. By the end of this book, you will have a solid understanding of working with Linux using the command line.
Table of Contents (11 chapters)

Different methods to create a text file

Text files can be viewed and edited using any text editor that exists in Linux. However, before learning the editing part, we must have a basic understanding of different ways that can be used to create plain text files. Depending on the requirement, different methods can be used for text file creation. The most popular ones are described next.

Create a text file using the cat command

The cat command can be used to create a text file if we immediately want to add some text to a new blank file. The syntax of the cat command to create a file is as follows:

$ cat > demo.txt

After pressing Enter, we will return to the prompt and we can directly start inserting text into our file. Once...