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Linux memory usage 99% shown in free -h terminal output

Why Linux Memory Usage Hits 99% (And Why It’s Good)

Apr 19, 2026 Apr 19, 2026 - by aneeshya - Leave a Comment

High RAM usage (as seen in 99%) is NOT a sign that your system is working hard to use all of the RAM - the Kernel is using ALL of the RAM as Disk Cache so you will be able to do things faster. This cache will be returned to Applications INSTANTLY if/when they need […]

Linux General

Unix File System Guide: What Every New Developer Must Know

Apr 09, 2026 Apr 09, 2026 - by aneeshya - Leave a Comment

FOR NEW DEVELOPERS & LINUX BEGINNERS — no prior Unix knowledge needed ⚡ Quick Answer A simple way to think about the UNIX File System: all files, devices, and processes exist within a single root directory named /. Once you understand the purpose of each directory and why they exist, learning how to navigate any […]