# Index ### Kernel * [**Exokernel: An Operating System Architecture for Application-Level Resource Management**](https://people.eecs.berkeley.edu/~kubitron/courses/cs262a-F18/handouts/papers/engler95exokernel.pdf) - Engler SOSP '95 * [**FlexSC: Flexible System Call Scheduling with Exception-Less System Calls**](https://www.usenix.org/legacy/events/osdi10/tech/full_papers/Soares.pdf) - et al., OSDI '10 * [**From L3 to seL4 What Have We Learnt in 20 Years of L4 Microkernels?**](https://sigops.org/s/conferences/sosp/2013/papers/p133-elphinstone.pdf) - Elphinstone et al., SOSP '13 ### Non-Volatile Memory * [**Twizzler: a Data-Centric OS for Non-Volatile Memory**](https://www.usenix.org/conference/atc20/presentation/bittman) **-** Bittman et al., ATC '20 ### Virtualization * [**Xen and the Art of Virtualization**](https://www.cs.yale.edu/homes/yu-minlan/teach/csci599-fall12/papers/xen.pdf) - Barham et al., SOSP '03 * Introduced Paravirtualization: trade-off small changes to the guest OS for big improvements in performance and VMM simplicity * [**Container-based Operating System Virtualization: A Scalable, High-performance Alternative to Hypervisors**](http://www.cs.toronto.edu/~demke/2227/S.14/Papers/p275-soltesz.pdf) - Soltesz et al., EuroSys '07 --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://xzhu0027.gitbook.io/blog/operating-system/index.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.