--- title: "Pooja Naitam (@poojanaitam28) | Hashnode" description: "Aspiring DevOps Engineer. Read the latest articles by Pooja Naitam on Hashnode." url: "https://hashnode.com/@poojanaitam28" --- @poojanaitam28 # Pooja Naitam @poojanaitam28 路 Pune 路 Joined October 2024 Aspiring DevOps Engineer ### [Day 8 of 90DaysOfDevOps : Shell Scripting Challenge馃惂](https://poojanaitam.hashnode.dev/day-8-of-90daysofdevops-shell-scripting-challenge?utm_source=hashnode&utm_medium=feed) Task 1: Adding Comments in Bash Scripts 馃摑 Comments are notes added in code to explain what each part does, making it easier for others (and yourself) to understand later. Comments in bash scripts start with a #. #!/bin/bash # This script greets the ... 2 min read 路 [poojanaitam.hashnode.dev](https://poojanaitam.hashnode.dev/day-8-of-90daysofdevops-shell-scripting-challenge?utm_source=hashnode&utm_medium=feed) [Nov 11, 2024](https://hashnode.com/posts/day-8-of-90daysofdevops-shell-scripting-challenge/673467525e70e47f200ee995) ### [Day 7 of 90DaysOfDevOps : Understanding Package Manager and Systemctl](https://poojanaitam.hashnode.dev/day-7-of-90daysofdevops-understanding-package-manager-and-systemctl?utm_source=hashnode&utm_medium=feed) 馃敼 What is a Package Manager? A package manager is a tool that helps you install, update, and remove software on your system. It can be a graphical app or a command-line tool like apt or yum. 馃憠 But what鈥檚 a package? A package is an archive file cont... 2 min read 路 [poojanaitam.hashnode.dev](https://poojanaitam.hashnode.dev/day-7-of-90daysofdevops-understanding-package-manager-and-systemctl?utm_source=hashnode&utm_medium=feed) [Nov 10, 2024](https://hashnode.com/posts/day-7-of-90daysofdevops-understanding-package-manager-and-systemctl/67344fafae100f10d06eda31) ### [Day 6 of 90DaysOfDevOps : File Permissions and Access Control Lists](https://poojanaitam.hashnode.dev/day-6-of-90daysofdevops-file-permissions-and-access-control-lists?utm_source=hashnode&utm_medium=feed) 1.Understanding File Permissions: Create a simple file and run ls -ltr to see the details of the files. Each of the three permissions are assigned to three defined categories of users. The categories are: Owner: The owner of the file or application. ... 4 min read 路 [poojanaitam.hashnode.dev](https://poojanaitam.hashnode.dev/day-6-of-90daysofdevops-file-permissions-and-access-control-lists?utm_source=hashnode&utm_medium=feed) [Nov 9, 2024](https://hashnode.com/posts/day-6-of-90daysofdevops-file-permissions-and-access-control-lists/673457d39c1dedd7cf13a84c) ### [Day 5 of 90DaysOfDevOps : Advanced Linux Shell Scripting for DevOps Engineers with User Management](https://poojanaitam.hashnode.dev/day-5-of-90daysofdevops-advanced-linux-shell-scripting-for-devops-engineers-with-user-management?utm_source=hashnode&utm_medium=feed) 1\. Create Directories Using Shell Script: Write a bash script createDirectories.sh that, when executed with three arguments (directory name, start number of directories, and end number of directories), creates a specified number of directories with ... 2 min read 路 [poojanaitam.hashnode.dev](https://poojanaitam.hashnode.dev/day-5-of-90daysofdevops-advanced-linux-shell-scripting-for-devops-engineers-with-user-management?utm_source=hashnode&utm_medium=feed) [Nov 9, 2024](https://hashnode.com/posts/day-5-of-90daysofdevops-advanced-linux-shell-scripting-for-devops-engineers-with-user-management/672f92ed6711f6d7f2e01710) ### [Day 4 of 90DaysOfDevOps : Basic Linux Shell Scripting for DevOps Engineers.](https://poojanaitam.hashnode.dev/day-4-of-90daysofdevops-basic-linux-shell-scripting-for-devops-engineers?utm_source=hashnode&utm_medium=feed) What is Kernel? The Kernel is the core part of an operating system, acting as a bridge between the hardware and software. It manages system resources and allows programs to interact with the hardware indirectly. The kernel handles tasks like memory m... 3 min read 路 [poojanaitam.hashnode.dev](https://poojanaitam.hashnode.dev/day-4-of-90daysofdevops-basic-linux-shell-scripting-for-devops-engineers?utm_source=hashnode&utm_medium=feed) [Nov 8, 2024](https://hashnode.com/posts/day-4-of-90daysofdevops-basic-linux-shell-scripting-for-devops-engineers/672e49fc0e41c1b2f3c7ced2)