Mostly Linux based operating systems like watos and Ubuntu(my personal preference is that its better than windows ) but there are other things like cosmos but that doesn't use graphics. I hope this helped!
Linux and FreeBSD are 2 examples
There are many open-source operating systems. They include:AROSContikiDarwin (the core of Mac OS X)ECosFreeBSDFreeDOSGeckOSGNU HURDHaikuJNodeJXKolibriOSLUnix (not to be confused with Linux)MonaNetBSDOberonOpenBSDPlan 9ReactOSSyllableSystems based on the Linux kernel (Ubuntu, Debian, RHEL, Fedora)Systems based on the OpenSolaris kernel, including Nexenta and Belenix
Linux NetBSD FreeBSD OpenBSD Plan 9 LUnix Darwin
Windows, Macintosh
There are literally hundreds or thousands of open source operating systems. Some of the more popular one's are Linux based, but there is also BSD or QNX or Haiku. Look at http://distrowatch.com for Linux based open source OS, such as Ubuntu, SuSE, Red Hat, Fedora, etc.
Open Source, whether it applies to an Operating System or a utility program means you have the source code and can modify it. Depending on the license used there may be some restrictions on your modifications so it is best to look at the license that comes with the Open Source software.
Some popular open source document management systems include LogicalDOC, Mayan EDMS, and OpenKM. These systems offer features such as document versioning, access controls, and workflow automation to help organizations manage their documents effectively.
There are many open-source OS distributions (distros) branching out from the Linux Kernel. Ubuntu, Linux Mint, Puppy, to name but three.
complete operating system that works on a desktop computers
No, OpenOffice is a productivity suite similar to Microsoft Office. Linux is an operating system (as is Microsoft Windows). Both have in common that they are Free Open Source Software (FOSS), which means they are free to download and are free to change (because the source code is provided). OpenOffice runs on Linux as well as Microsoft Windows or Mac OS X and some other operating systems.
A server operating system is an operating system that is designed to run on servers. Some of the operating systems include; Windows, Mac OS, and Linux.
Some operating systems such as Windows XP include uncompress capabilities?