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Operating system Mandatory access control Software executable space protection Operating system-level virtualization Virtualisation Userspace protection Others Linux: SELinux, AppArmor [Note 1] Exec Shield, [Note 1] PaX [Note 1] Chroot, namespace and cgroups, [Note 2] Linux-VServer, [Note 1] OpenVZ [Note 1] KVM: IPFilter, Iptables: grsecurity ...
This category contains operating systems that are described as "free software" or "open-source software". There are multiple licenses possible for both types; licenses that specify what can and cannot be done with the software.
"Free and open-source software" (FOSS) is an umbrella term for software that is considered free software and/or open-source software. [1] The precise definition of the terms "free software" and "open-source software" applies them to any software distributed under terms that allow users to use, modify, and redistribute said software in any manner they see fit, without requiring that they pay ...
This is a list of free and open-source software packages (), computer software licensed under free software licenses and open-source licenses.Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source. [1]
The article "Usage share of operating systems" provides a broader, and more general, comparison of operating systems that includes servers, mainframes and supercomputers. Because of the large number and variety of available Linux distributions , they are all grouped under a single entry; see comparison of Linux distributions for a detailed ...
Xv6 - a simple Unix-like teaching operating system from MIT; SerenityOS - aims to be a modern Unix-like operating system, yet with a look and feel that emulates 1990s operating systems such as Microsoft Windows and the classic Mac OS.
FreeBSD is a free and open-source Unix-like operating system descended from the Berkeley Software Distribution (BSD) which currently runs on IA-32, x86-64, ARM, PowerPC and RISC-V based computers. The first version was released in 1993 developed from 386BSD [ 3 ] —the first fully functional and free Unix clone—and has since continuously ...
This is a list of Microsoft written and published operating systems. For the codenames that Microsoft gave their operating systems , see Microsoft codenames . For another list of versions of Microsoft Windows, see, List of Microsoft Windows versions .