Oct 23, 2025 · 6 min read · 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...
Join discussionAug 23, 2025 · 8 min read · 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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Jul 10, 2025 · 3 min read · 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 ...
Join discussionApr 29, 2025 · 6 min read · 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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Feb 27, 2025 · 4 min read · 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...
Join discussionMay 21, 2024 · 3 min read · 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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Feb 13, 2024 · 2 min read · 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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Feb 10, 2024 · 2 min read · 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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Oct 28, 2023 · 2 min read · 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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