Update

operating_system.md

@@ -6,6 +6,8 @@ There is a nice [CC0](cc0.md) wiki for OS development at https://wiki.osdev.org/
 
 From programmer's point of view a serious OS is one of the most difficult pieces of software one can pursue to develop. The task involves an enormous amount of [low-level](low_level.md) programming, development of own tools from scratch and requires deep and detailed knowledge of all components of a computer, of established standards as well as many theoretical subjects such as [compiler](compiler.md) design.
 
+**Which OS is the best?** Currently there seems to be no good operating system in existence, all are just too far away from [LRS](lrs.md) ideals, however there are quite a few relatively usable ones, mostly [Unix](unix.md) like systems. For example [OpenBSD](openbsd.md) seems to be one of them, however it is [proprietary](proprietary.md) (yes, it contains some code without license) and too obsessed with MUH [SECURITY](security.md). [HyperbolaBSD](hyperbolabsd.md) at least tries to address the freedom issue of OpenBSD. [Devuan](devuan.md) is pretty usable, [just werks](just_werks.md) and is alright in not being an absolute apeshit of consoomerist bloat. [FreeDOS](freedos.md) seemed nice too: though it's not Unix like, it is much more [KISS](kiss.md) than Unices.
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 An OS, as a software, consists of two main parts:
 
 - **[kernel](kernel.md)**: The base/core of the system, running in the most privileged mode, offering an environment for user applications.