Here Are 8 Lesser Known Operating Systems You Should Know!

Operating Systems (OS) are the heart of any gadget – encompassing PCs, laptops, or smartphones. While many are familiar with big names like Windows, macOS, and Linux, there’s a wide array of less popular, yet highly impressive operating systems out there. We’ve put together a list of eight such operating systems that are worth knowing about:

1. KolibriOS:

– Spawned from MenuetOS, KolibriOS is known for its minimal size and comprehensive GUI (Graphical User Interface).

– Besides its small size that can fit on a floppy disk, KolibriOS can boot from different mediums such as floppy disks, CDs, flash drives, and hard drives.

– Supports a variety of file systems including FAT32, NTFS, and EXT3/4.

– Provides software for fundamental computing tasks including text editing, emailing, and browsing.

– Offers two versions: a 1.44MB variant with vital features and a 3MB variant with extended features.

2. Tizen OS:

– Supported by tech heavyweights Samsung and Intel, Tizen OS is an open-source, standard-based software platform.

– Provides 3D window effects, multitasking, multi-touch, and varying screen resolutions.

– Built on HTML5, Tizen OS also includes frameworks for sensor and geolocation services.

3. Qubes OS:

– Built on Xen, X Window System, and Linux, Qubes OS promises users advanced security features.

– Qubes OS uses a security-by-isolation model, creating several lightweight Virtual Machines (VMs), each having its own safety restrictions.

4. Slax:

– A rapid, small (220MB), and portable Linux OS based on Slackware Linux.

– Includes modules to extend its functionality and offer a core set of applications for basic computing.

– A live OS that runs directly from a removable drive, and its saved data and preferences are auto-loaded at every boot.

5. Ubuntu for Phones:

– The renowned Linux distribution, Ubuntu, has been adapted for smartphones, enabling smooth cross-platform performance.

– Ubuntu places emphasis on user control over content, with each edge of the screen serving a unique function.

6. ReactOS:

– ReactOS is a free and open-source Windows substitute, with a GUI that closely resembles Windows XP/2003.

– Its kernel is entirely engineered from scratch, based on Microsoft’s formidable NT architecture and WINE.

– It supports many Windows drivers and can operate numerous Windows software.

7. Tails:

– Also known as The Amnesic Incognito Live System, Tails operates directly from a removable drive and doesn’t require installation.

– Tails operates completely from your computer’s RAM, ensuring all files and browsing history are deleted once the system is switched off.

– It employs multiple security tools to ensure data privacy and anonymity while browsing.

8. Postmarket OS (postmarketOS):

– Initially designed as an alternative to Android, postmarketOS aims to establish a sustainable, open-source, and community-oriented OS for smartphones.

– Its base system is Alpine Linux, known for its compact size, efficiency, and robust security.

– With its unique packaging system, postmarketOS enables a range of interfaces from Xfce, Mate, Phosh, Plasma Mobile to unmodified desktop environments on smartphones.

Though these operating systems aren’t mainstream, they provide robust, versatile solutions for technophiles and coding enthusiasts.

This article was updated in 2025 to reflect current trends and insights.