pavroo 
Web site: quickos.sourceforge.net Origin: unknown Category: RTOS Desktop environment: CLI Architecture: x86 Based on: unknown Wikipedia: Media: Install The last version | Released: 2001 QuickOS – a really-quick-realtime-multitasking-os (arqrmos), that requires less than a second to boot up. Basic-kernel-functions will be written with NASM assembler. It is open-source operating system, released under the GNU GPL … Read more
Web site: (not active) Origin: unknown Category: Desktop Desktop environment: CLI Architecture: x86 Based on: unknown Wikipedia: Media: Install The last version | Released: September 30, 1996 Dilinux – a (D)rop (I)n version of linux, It can be droped into any dos system e.g. msdos, pcdos, etc. and win95 in dos mode. It runs on … Read more
Web site: (not active) Origin: USA Category: Desktop Desktop environment: CLI Architecture: Apple III Based on: Independent Wikipedia: Apple SOS Media: Install The last version | Released: 1.3 | January 1, 1980 SOS (Sophisticated Operating System; Apple SOS) – the primary operating system developed for the Apple III. SOS made the Apple III’s resources available … Read more
Web site: github.com/Dudejoe870/FunOS Origin: France Category: Desktop Desktop environment: CLI Architecture: x86 Based on: Independent Wikipedia: Media: Install The last version | Released: 2020 FunOS – a hobby 32-bit operating system. You will need to build your own i686 cross-compiler (no, using regular GCC is definitely not recommended), on Linux it’s quite simple. Under the … Read more
Web site: www.cs.sandia.gov/~rolf/puma/puma_os/puma_os.html (not active) Origin: USA Category: unknown Desktop environment: CLI Architecture: unknown Based on: unknown Wikipedia: Media: Install The last version | Released: unknown Puma OS – an operating system developed by Sandia National Laboratories with a distributed memory architectures. Sandia National Laboratories is operated and managed by National Technology and Engineering Solutions … Read more