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Rajesh BMar 29 · 2 min read

Day 4: Script Execution Permissions | 100 Days of DevOps

Content: Today I worked on granting execute permissions to a script on an application server as part of my DevOps journey. This is an important practice to ensure scripts can be executed properly by

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Vaibhav HaldiaOct 23, 2025 · 6 min read

Unix File Permissions: A Comprehensive Technical Overview

Permissions in Unix are an integral part of the operating system. You can see the details of all files in the current directory by using options -l and -a combinedly with ls command: ls -al Every file has an owner (also referred to as the user), a g...

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Ikem AdaAug 23, 2025 · 8 min read

🔐 Linux File Permissions — A Beginner-Friendly Guide

Ever wondered why you can open some files but not others on Linux? Or why you can run some programs but not all? Behind the scenes, Linux carefully manages who can do what through permissions. Understanding this is crucial for every beginner. In this...

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Vivek UmraoJul 10, 2025 · 3 min read

Linux for DevOps: Users, Permissions & Log Analysis (with Practical Tasks + Log File)

Whether you're starting with Linux or diving deeper into DevOps workflows, this guide walks you through real-world, hands-on tasks for managing users, permissions, and analyzing logs — all essentials for DevOps engineers. 1️⃣ User & Group Management ...

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Kingdavid E. OchaiApr 29, 2025 · 6 min read

Users and Permissions

Building off the previous post, we now cover the dual topics of users and permissions Multiple Users Linux is inherently a multi-user operating system. This can be quite confusing for desktop users of Windows or MacOS, and completely foreign to smart...

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Sandeep KalathilFeb 27, 2025 · 4 min read

Understanding Sticky Bit, ACLs, and Special Permissions in Linux

Introduction When working with files and directories in Linux, you may come across special permissions like sticky bit, ACLs (Access Control Lists), setuid, and setgid. These permissions allow for more control over file access beyond the standard rea...

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Paresh PardeMay 21, 2024 · 3 min read

Linux File Permissions 🔐

Introduction 🌟 Have you ever wondered how your computer decides who can see or change your files? On a Linux system (a popular type of computer operating system), this is all managed by something called file permissions. It might sound a bit technic...

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Aryan SharmaFeb 13, 2024 · 2 min read

Demystifying File Permissions: A Conversation

Hey there, fellow tech enthusiast! 👋 Today, let's dive into the intriguing realm of file permissions. You know, that mysterious territory where the owner, group, and others coexist in a delicate dance of access control. The Trio: Owner, Group, and O...

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Abdullah Bin AltafFeb 10, 2024 · 2 min read

Lecture # 21 - SUID, SGID, and Sticky Bit

Special Permissions: Linux offers some special permissions: SUID SGID Sticky Bit These permissions allow the non-owner user to perform different tasks on the files or directories that can only be accessed by the owner user. Once these permiss...

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Shubham SinghOct 28, 2023 · 2 min read

Basic Linux Commands

To view what's written in a file. Cat: This is used to concatenate and display files on the terminal. It can also be used to modify existing ones. To change the access permissions of files. Chmod: This command is used to change the access permission...

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