Dec 25, 2025
File Permissions & Ownership in Linux (chmod, chown, chgrp, alias)
How rwx permissions work, numeric vs symbolic chmod, changing ownership with chown/chgrp, and using aliases for quick commands.
#Linux
#Permissions
#CLI
#Security
#DevOps
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Dec 25, 2025
Mastering Vim: Concepts, Modes, Movement, and Everyday Workflows
A practical deep dive into Vim: modes, movement, editing, registers, macros, search/replace, windows/buffers, and customization.
#Vim
#Editor
#CLI
#Productivity
#Linux
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Dec 25, 2025
Handy Shell Tools: base64, less, head, tail, and I/O Redirection
How to encode/decode with base64, page through files with less, preview logs with head/tail, and use input/output redirection.
#Linux
#CLI
#Shell
#Basics
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Dec 25, 2025
File Structure & User Management (With Paths Refresher)
Linux directory layout, absolute vs relative paths, and a quick revision of user management commands like usermod.
#Linux
#File System
#User Management
#CLI
#Paths
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Dec 25, 2025
Linux User Management: Basics and Core Commands
What accounts and groups are, and how to add/remove users with useradd/adduser, groupadd, and userdel.
#Linux
#User Management
#Admin
#CLI
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Dec 25, 2025
Understanding Malware Types + Handy FS Tools (tree, ncdu)
What viruses, malware, trojans, spyware, and worms are; a quick note on the GNU project; plus two useful file-system tools: tree and ncdu.
#Security
#Malware
#Linux
#CLI
#Fundamentals
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Dec 25, 2025
Linux File System & Essential Commands: A Quick Guide
Intro to the Linux file system layout and core commands like ls, pwd, cd, mkdir, touch, cp, mv, echo, wc, rmdir, history, cat.
#Linux
#CLI
#Basics
#DevOps
#Shell
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