O'Reilly logo

Beginning Modern Unix : Learn to Live Comfortably in a Modern Unix Environment by Manish Jain

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

© Manish Jain 2018
Manish JainBeginning Modern Unix https://doi.org/10.1007/978-1-4842-3528-7_2

2. Essential Unix Commands and Terminology

Manish Jain1 
(1)
Jaipur, Rajasthan, India
 

I am told by reliable sources that, despite ongoing research from the best minds on this planet, scientists are unable to define basic terms like “life” and “time”. Fortunately for computer users, computer programming is an easier concept—we can define essential terms. Before we embark on our Unix journey, we’ll therefore first define some of the most fundamental terms.

2.1 Kernel, Shell, and Filesystem

The kernel is the operating system’s core, without which everything else becomes meaningless. Every single operation you carry out under an operating system has to be executed ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required