Linux Fundamentals For Beginner in Cyber Security Part 1

Linux

What is Linux ?

For desktops, servers, mainframes, mobile devices, and embedded devices, Linux is an open-source, community-developed operating system (OS) with Unix-like features. Being one of the most broadly supported operating systems, it is compatible with practically all popular computer architectures, such as x86, ARM, and SPARC.

What is the use of the Linux operating system?

Every Linux OS version controls hardware resources, starts and handles programmes, and offers a user interface in some way. There is a Linux version accessible for practically every work because to the sizeable development community and variety of distributions, and Linux has permeated many fields of computing.

The Linux operating system is widely used and supports a wide range of use cases. These are some applications for using Linux

1. Server OS
2. Desktop OS
3. Headless server OS
4. Embedded device or appliance OS
5. Network OS
6. Software development OS
7. Cloud OS

Linux Command Line Interface

The Linux operating system included a GUI. However, you will find the command line interface to be far more interesting and useful. You must discover and understand the fundamental commands for Linux.I’ll go through a few straightforward commands in this article.

Basic Commands

Whoami — Find out what user we’re currently logged in as!

Echo — It is a fundamental command that displays the input you provide.

Basic Commands

File System Commands

ls — list the files which are present in that current directory

cd -change directory from one to another

pwd -it display the present working directory

cat -this command used to display the text content which is present in the file

Screenshot 2 (File System Command)

Searching For Files

find -used to search the file which is present in the system

grep -used to search word or letter which is present int the file

If you want to learn more about this idea, just search for it on Google. It provides a lot more details for you.

Shell Operators

Refer to the medium article below where I explained shell scripting for additional details.

Bash Script -Tutorial Part_1

Bash Script -Part 2

All of the materials in the Tryhackme room have been covered. I made the decision to wrap up this tale, and in the subsequent tale, we shall see.

I really hope that this post has provided you with some new information.Thank you !!!