Bits, Bytes, & Radio Waves

A quiet journey through discovery and understanding.

  • Create and Change Hard and Symbolic Links

    Exam Objectives Covered: Create links Identify hard and/or soft links Copying versus linking files Use links to support system administration tasks Links in Linux are synonymous with shortcuts in the Windows world. They are not identical, but the idea is similar.  Specifically, the command ‘ln’, is used to make links between files. There are two…

  • Filesystem Hierarchy Standard (FHS)

    I wanted to begin with the Filesystem Hierarchy Standard (FHS) which is currently at version 3.0. The standard can be referenced below as well as at http://refspecs.linuxfoundation.org/fhs.shtml. Filesystem Hierarchy Standard 3.0 When I first began using Linux, I realized that all the files and directories were arranged in a particular way. I wondered why Linux…

  • CompTIA Linux+

    I am starting my journey to become CompTIA Linux+ certified! Technically, I started on February 1, but am just now writing this. I have always been curious about Linux and dabbled here and there; I just have never dived in deep enough to be proficient. I want to change that. As an end user, I…

Notes from practice

I use this site to document systems, configurations, and lessons learned as I work through real problems—both professionally and through personal experimentation. The goal is clarity: understand how something works, explain why it behaves the way it does, and make it reliable and repeatable.

These notes are written primarily for myself, but shared openly in case they help someone else avoid a dead end or reduce frustration. If you’d like to learn more, visit the About page.

If you have questions or comments, you’re always welcome to contact me.

Aaron Rombaut

Technologist & Writer