Lucid Apogee

Express OS

Alpha Version
GPL 2

Last Updated:
1:50 AM 1/23/2026

Express OS is a minimal live boot distribution of GNU/Linux. It's easy to set up, just under 20MB, boots with GRUB, runs BusyBox, and comes with the Express BASIC interpreter. It supports mounting, loading, saving, and unmounting. All you need is the ISO and a flash drive to turn that spare machine sitting around into a dedicated coding environment.

Download URLs:

Express OS (x86 live distribution) - File Size: 9.18MB

http://www.lucidapogee.com/download.php?file=expressos.tar.gz

Support Forum:

https://lucidapogee.com/forum/viewforum.php?f=53

System Requirements:

Pentium M

Today is: Wednesday, 05/20/26 - First major update in way too long: The issue with percent sign handling is fixed, DPMI was fixed, Raspberry Pi is now supported and there's a ton of new and improved examples including some awesome games. - Product page updates: The product page now features new sections with recent releases. This includes official pages for our line of famiclone software, Express OS, and Dream Quest. - Dream Quest Released: We slowed down working on programming language projects this year quite a bit to work on developing some game products. Aside from the early release Famicom/NES roms we released, this is the first major game release we are publishing. It is also the smallest, but we put months of work into this. - Staying In Focus: We have been working mostly silently this past year. Only a few updates have been posted. Finally, we are coming out and uploading new software and updates. With this comes the new GNU/Linux distro Express OS as a custom host OS for Express BASIC. - Delayed Express BASIC Update: Update time! This one is later than expected. A server migration set us back. - One Click Network Released: This setup contains a set of GUI client and server applications. The first is called One Click Server and the other is One Click Client. - Bleeding edge update!: The update includes: 1. SPACE$() function as an alias for TAB() to help with portability of BASIC code 2. Bitwise operators BAND, BOR, and BNOT(). XOR was already bitwise 3. HEX$() and OCT$() functions - Awesome Express BASIC update!: These past weeks, many improvements and fixes were made. New features include the commands COLOR and LOCATE. String operations have also been implemented. - Massive Express BASIC update!: We have been working hard for the past few weeks on this update and have made a lot of progress. Here's a few things that have been added or fixed... - Important Update for Express BASIC: After weeks of painful research and debugging, we have finally released the next update. We're still going to remain in alpha version. You never know if and when a new problem may surface. -

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