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diff --git a/Documentation/about/index.adoc b/Documentation/about/index.adoc new file mode 100644 index 0000000..6961b6a --- /dev/null +++ b/Documentation/about/index.adoc @@ -0,0 +1,32 @@ += About Spectrum +:description: Some words about Spectrum as the operating system, not a project. Highlights the differences between common Linux distributions and Spectrum. +:page-nav_order: 1 +:page-has_children: true + +// SPDX-FileCopyrightText: 2022 Unikie +// SPDX-License-Identifier: GFDL-1.3-no-invariants-or-later OR CC-BY-SA-4.0 + +Spectrum is a Linux-based system that uses the +https://github.com/NixOS/nix[Nix package manager] and +the https://github.com/NixOS/nixpkgs[Nix Packages collection] (Nixpkgs). + +This gives an actively-developed base with good +hardware support, powerful and optimised compartmentalization primitives in +https://www.linux-kvm.org/page/Main_Page[KVM], and the reproducible packaging +and configuration system that is important +for a maintainable compartmentalized system. + +== Why Spectrum + +* User data and applications are managed centrally while remaining isolated. +That means that the system can be backed up and managed as a whole, rather than +mixed up in several dozen VMs. + +* The host system and isolated environments are managed declaratively and +reproducibly using the Nix package manager. +This can save the user the burden of maintaining many different virtual +computers, allowing finer-grained resource access controls and making it +possible to verify the software running across all environments. + +TIP: If you are interested in why we do something _this_ way instead of _that_ +way, see xref:../decisions/index.adoc[Architecture Decision Records]. |