As a Linux sysadmin, ps is one of the most frequently used tools. But most people only know ps aux without understanding the implementation beh…

When a website won’t load or a server becomes unreachable, how do you know if it’s a network issue or the service is down? The ping command is yo…

When troubleshooting server network issues recently, I noticed many developers have a superficial understanding of the netstat command. Today, le…

You use mv every day, but it’s more nuanced than you think. Moving and renaming files are the same operation in Linux — which sounds counterintui…

Original link: https://jsokit.com/tools/linux-commands/mkdir

Published: May 11, 2026 06:56

ls is one of the most frequently used Linux commands, yet most users never go beyond ls -la. Let’s explore how ls actually works under the hood.

When searching for files on Linux servers, most people reach for find first. But if you’ve ever run find / -name "nginx.conf" on a system with …

Ever wondered why deleting a file sometimes doesn’t truly remove it? That’s the magic of Linux links. The ln command is one of the core tools in …

Last week, I was debugging a server issue and needed to check a massive log file. cat flooded my terminal, vim was overkill, but less saved t…