--- title: "Jatin Virmani (@Jatin5757) | Hashnode" description: "Jatin Virmani (@Jatin5757) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@Jatin5757" --- @Jatin5757 # Jatin Virmani @Jatin5757 · Joined February 2024 ### [Day 4 Task: Basic Linux Shell Scripting for DevOps Engineers.](https://jatin57.hashnode.dev/day-4-task-basic-linux-shell-scripting-for-devops-engineers?utm_source=hashnode&utm_medium=feed) . What is Kernel?The central component of an operating system on a computer is a computer program called the kernel, which has total authority over all system functions. . What is shell? An interface for using operating system functions is provided ... 3 min read · [jatin57.hashnode.dev](https://jatin57.hashnode.dev/day-4-task-basic-linux-shell-scripting-for-devops-engineers?utm_source=hashnode&utm_medium=feed) [Feb 15, 2024](https://hashnode.com/posts/day-4-task-basic-linux-shell-scripting-for-devops-engineers/65ce87a8abe05b1d21617792) ### [Day-3 Basic Linux Commands](https://jatin57.hashnode.dev/day-3-basic-linux-commands?utm_source=hashnode&utm_medium=feed) To View what's written in the file. You can use the cat command to view the contents of a file in the terminal. The basic syntax is: To change the access permission. You can use the chmod command to change the access permissions of files. T... 4 min read · [jatin57.hashnode.dev](https://jatin57.hashnode.dev/day-3-basic-linux-commands?utm_source=hashnode&utm_medium=feed) [Feb 15, 2024](https://hashnode.com/posts/day-3-basic-linux-commands/65ce77af4bfb6f38a9dbc204) ### [Day-2 Basics of Linux](https://jatin57.hashnode.dev/day-2-basics-of-linux?utm_source=hashnode&utm_medium=feed) What is linux. Ans Linux is an open-source, Unix-like operating system kernel originally developed by Linus Torvalds in 1991. An operating system kernel is the core component of an operating system that manages hardware resources and provides ... 4 min read · [jatin57.hashnode.dev](https://jatin57.hashnode.dev/day-2-basics-of-linux?utm_source=hashnode&utm_medium=feed) [Feb 15, 2024](https://hashnode.com/posts/day-2-basics-of-linux/65ce53f447f95f25cac1b8a1) ### [Day 1 Introduction To DevOps](https://jatin57.hashnode.dev/day-1-introduction-to-devops?utm_source=hashnode&utm_medium=feed) You have to accept this challenge and begin your #90DaysOfDevOps with the #TrainWithShubham Community on this day 1. What is DevOps? A combination of the words "development" and "operations," "DevOps" refers to a collection of procedures, values, and... 2 min read · [jatin57.hashnode.dev](https://jatin57.hashnode.dev/day-1-introduction-to-devops?utm_source=hashnode&utm_medium=feed) [Feb 15, 2024](https://hashnode.com/posts/day-1-introduction-to-devops/65ce4d2f76a5c6cc3d44cc67)