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Examining the Viability of MINIX 3 As a Consumer Operating
Examining the Viability of MINIX 3 as a Consumer Operating System Joshua C. Loew March 17, 2016 Abstract The developers of the MINIX 3 operating system (OS) believe that a computer should work like a television set. You should be able to purchase one, turn it on, and have it work flawlessly for the next ten years [6]. MINIX 3 is a free and open-source microkernel-based operating system. MINIX 3 is still in development, but it is capable of running on x86 and ARM processor architectures. Such processors can be found in computers such as embedded systems, mobile phones, and laptop computers. As a light and simple operating system, MINIX 3 could take the place of the software that many people use every day. As of now, MINIX 3 is not particularly useful to a non-computer scientist. Most interactions with MINIX 3 are done through a command-line interface or an obsolete window manager. Moreover, its tools require some low-level experience with UNIX-like systems to use. This project will examine the viability of MINIX 3 from a performance standpoint to determine whether or not it is relevant to a non-computer scientist. Furthermore, this project attempts to measure how a microkernel-based operating system performs against a traditional monolithic kernel-based OS. 1 Contents 1 Introduction 5 2 Background and Related Work 6 3 Part I: The Frame Buffer Driver 7 3.1 Outline of Approach . 8 3.2 Hardware and Drivers . 8 3.3 Challenges and Strategy . 9 3.4 Evaluation . 10 4 Progress 10 4.1 Compilation and Installation . -
The Dragonflybsd Operating System
1 The DragonFlyBSD Operating System Jeffrey M. Hsu, Member, FreeBSD and DragonFlyBSD directories with slightly over 8 million lines of code, 2 million Abstract— The DragonFlyBSD operating system is a fork of of which are in the kernel. the highly successful FreeBSD operating system. Its goals are to The project has a number of resources available to the maintain the high quality and performance of the FreeBSD 4 public, including an on-line CVS repository with mirror sites, branch, while exploiting new concepts to further improve accessible through the web as well as the cvsup service, performance and stability. In this paper, we discuss the motivation for a new BSD operating system, new concepts being mailing list forums, and a bug submission system. explored in the BSD context, the software infrastructure put in place to explore these concepts, and their application to the III. MOTIVATION network subsystem in particular. A. Technical Goals Index Terms— Message passing, Multiprocessing, Network The DragonFlyBSD operating system has several long- operating systems, Protocols, System software. range technical goals that it hopes to accomplish within the next few years. The first goal is to add lightweight threads to the BSD kernel. These threads are lightweight in the sense I. INTRODUCTION that, while user processes have an associated thread and a HE DragonFlyBSD operating system is a fork of the process context, kernel processes are pure threads with no T highly successful FreeBSD operating system. Its goals are process context. The threading model makes several to maintain the high quality and performance of the FreeBSD guarantees with respect to scheduling to ensure high 4 branch, while exploring new concepts to further improve performance and simplify reasoning about concurrency. -
The Complete Freebsd
The Complete FreeBSD® If you find errors in this book, please report them to Greg Lehey <grog@Free- BSD.org> for inclusion in the errata list. The Complete FreeBSD® Fourth Edition Tenth anniversary version, 24 February 2006 Greg Lehey The Complete FreeBSD® by Greg Lehey <[email protected]> Copyright © 1996, 1997, 1999, 2002, 2003, 2006 by Greg Lehey. This book is licensed under the Creative Commons “Attribution-NonCommercial-ShareAlike 2.5” license. The full text is located at http://creativecommons.org/licenses/by-nc-sa/2.5/legalcode. You are free: • to copy, distribute, display, and perform the work • to make derivative works under the following conditions: • Attribution. You must attribute the work in the manner specified by the author or licensor. • Noncommercial. You may not use this work for commercial purposes. This clause is modified from the original by the provision: You may use this book for commercial purposes if you pay me the sum of USD 20 per copy printed (whether sold or not). You must also agree to allow inspection of printing records and other material necessary to confirm the royalty sums. The purpose of this clause is to make it attractive to negotiate sensible royalties before printing. • Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one. • For any reuse or distribution, you must make clear to others the license terms of this work. • Any of these conditions can be waived if you get permission from the copyright holder. Your fair use and other rights are in no way affected by the above. -
Mac OS X Intro for UNIX Users
Mac OS X An Introduction for UNIX Users Leon Towns-von Stauber, Occam's Razor Seattle BSD Users Group, October 2004 http://www.occam.com/osx/ X Contents Opening Remarks.............................3 Where Did Mac OS X Come From?.....5 What is Mac OS X?..........................13 A New Kind of UNIX........................25 A Different Kind of UNIX.................28 Why Use Mac OS X?.........................60 Resources.......................................63 Closing Remarks.............................67 X Opening Remarks 3 This is a technical introduction to Mac OS X, mainly targeted to experienced UNIX users for whom OS X is at least relatively new Some emphasis on comparisons with FreeBSD I'm assuming basic familiarity with operating system design Where I'm coming from: UNIX user and some-time admin since 1990 Full-time UNIX admin since 1995 NeXTstep user and admin since 1991 This presentation covers primarily Mac OS X 10.3.5 (Darwin 7.5) X Legal Notices 4 This presentation Copyright © 2003-2004 Leon Towns-von Stauber. All rights reserved. Trademark notices Apple®, Mac®, Macintosh®, Mac OS®, Aqua®, Finder™, Quartz™, Cocoa®, Carbon®, AppleScript®, Rendezvous™, Panther™, and other terms are trademarks of Apple Computer. See <http:// www.apple.com/legal/appletmlist.html>. NeXT®, NeXTstep®, OpenStep®, and NetInfo® are trademarks of NeXT Software. See <http://www.apple.com/legal/nexttmlist.html>. PowerPC™ is a trademark of International Business Machines. Java™ is a trademark of Sun Microsystems. Other trademarks are the property of their -
Design of the PATHWORKS for ULTRIX File Server by Anthony J
Design of the PATHWORKS for ULTRIX File Server By Anthony J. Rizzolo, Elizabeth A. Brewer, and Martha A. Chandler 1 Abstract The PATHWORKS for ULTRIX product integrates personal computers with the ULTRIX operating system on a local area network. The software supports both the TCP/IP protocol and the DECnet transport stacks. The design and implementation of the PATHWORKS for ULTRIX file server is based on a client-server model. The server provides file, print, mail, and time services to client PCs on the network. Network file service management is accessed through a PC-style menu interface. The file server's performance was optimized to allow parallelism to occur when the client is generating data at the same time the server is writing the data to disk. 2 Introduction The PATHWORKS for ULTRIX file server connects industry-standard personal computers running Microsoft's server message block (SMB) protocol to Digital computers running the ULTRIX operating system. The server provides a network operating system for PC integration among users of the ULTRIX, DOS, and OS/2 operating systems. The PATHWORKS for ULTRIX server provides file, print, mail, and time services to client PCs on the network. The software is layered on VAX systems and on reduced instruction set computer (RISC) hardware. It supports both the transmission control protocol/internet protocol (TCP/IP) and the DECnet transport stacks. The base product also provides centralized server-based management accessed through a PC-style menu interface. In addition, the PATHWORKS for ULTRIX server implements a network basic I/O system (NetBIOS) naming service that allows clients on the network to obtain the DECnet node address of the server in the DECnet environment or the TCP/IP address of the server in the TCP/IP environment. -
A Brief History of Unix
A Brief History of Unix Tom Ryder [email protected] https://sanctum.geek.nz/ I Love Unix ∴ I Love Linux ● When I started using Linux, I was impressed because of the ethics behind it. ● I loved the idea that an operating system could be both free to customise, and free of charge. – Being a cash-strapped student helped a lot, too. ● As my experience grew, I came to appreciate the design behind it. ● And the design is UNIX. ● Linux isn’t a perfect Unix, but it has all the really important bits. What do we actually mean? ● We’re referring to the Unix family of operating systems. – Unix from Bell Labs (Research Unix) – GNU/Linux – Berkeley Software Distribution (BSD) Unix – Mac OS X – Minix (Intel loves it) – ...and many more Warning signs: 1/2 If your operating system shows many of the following symptoms, it may be a Unix: – Multi-user, multi-tasking – Hierarchical filesystem, with a single root – Devices represented as files – Streams of text everywhere as a user interface – “Formatless” files ● Data is just data: streams of bytes saved in sequence ● There isn’t a “text file” attribute, for example Warning signs: 2/2 – Bourne-style shell with a “pipe”: ● $ program1 | program2 – “Shebangs” specifying file interpreters: ● #!/bin/sh – C programming language baked in everywhere – Classic programs: sh(1), awk(1), grep(1), sed(1) – Users with beards, long hair, glasses, and very strong opinions... Nobody saw it coming! “The number of Unix installations has grown to 10, with more expected.” — Ken Thompson and Dennis Ritchie (1972) ● Unix in some flavour is in servers, desktops, embedded software (including Intel’s management engine), mobile phones, network equipment, single-board computers.. -
List of BSD Operating Systems
FreeBSD-based SNo Name Description A lightweight operating system that aims to bring the flexibility and philosophy of Arch 1 ArchBSD Linux to BSD-based operating systems. 2 AskoziaPBX Discontinued 3 BSDBox 4 BSDeviant 5 BSDLive 6 Bzerk CD 7 DragonFly BSD Originally forked from FreeBSD 4.8, now developed in a different direction 8 ClosedBSD DesktopBSD is a discontinued desktop-oriented FreeBSD variant using K Desktop 9 DesktopBSD Environment 3.5. 10 EclipseBSD Formerly DamnSmallBSD; a small live FreeBSD environment geared toward developers and 11 Evoke system administrators. 12 FenestrOS BSD 13 FreeBSDLive FreeBSD 14 LiveCD 15 FreeNAS 16 FreeSBIE A "portable system administrator toolkit". It generally contains software for hardware tests, 17 Frenzy Live CD file system check, security check and network setup and analysis. Debian 18 GNU/kFreeBSD 19 Ging Gentoo/*BSD subproject to port Gentoo features such as Portage to the FreeBSD operating 20 Gentoo/FreeBSD system GhostBSD is a Unix-derivative, desktop-oriented operating system based on FreeBSD. It aims to be easy to install, ready-to-use and easy to use. Its goal is to combine the stability 21 GhostBSD and security of FreeBSD with pre-installed Gnome, Mate, Xfce, LXDE or Openbox graphical user interface. 22 GuLIC-BSD 23 HamFreeSBIE 24 HeX IronPort 25 security appliances AsyncOS 26 JunOS For Juniper routers A LiveCD or USB stick-based modular toolkit, including an anonymous surfing capability using Tor. The author also made NetBSD LiveUSB - MaheshaNetBSD, and DragonFlyBSD 27 MaheshaBSD LiveUSB - MaheshaDragonFlyBSD. A LiveCD can be made from all these USB distributions by running the /makeiso script in the root directory. -
Openafs: BSD Clients 2009
OpenAFS: BSD Clients 2009 Matt Benjamin <[email protected]> OpenAFS: BSD Clients 2009 Who am I? ● OpenAFS developer interested in various new-code development topics ● for the last while, “portmaster” for BSD clients except DARWIN/MacOS X ● involves evolving the ports, interfacing withusers and port maintainers in the BSD communities OpenAFS: BSD Clients 2009 Former Maintainers ● Tom Maher, MIT ● Jim Rees, University of Michigan (former Gatekeeper and Elder) ● Garret Wollman, MIT OpenAFS: BSD Clients 2009 Other Active ● Ben Kaduk (FreeBSD) ● Tony Jago (FreeBSD) ● Jamie Fournier (NetBSD) OpenAFS: BSD Clients 2009 Historical Remarks ● AFS originated in a BSD 4.2 environment ● extend UFS with coherence across a group of machines ● Terminology in common with BSD, SunOS, etc, e.g., vnodes ● Followed SunOS and Ultrix to Solaris and Digital Unix in Transarc period ● 386BSD released at 4.3 level in the Transarc period, some client development never publically released (or independent of Transarc) OpenAFS: BSD Clients 2009 BSD Clients Today ● Descendents of 386BSD distribution and successors, not including DARWIN/MacOS X ● DARWIN separately maintained, though of course there are similarities OpenAFS: BSD Clients 2009 Today ● FreeBSD ● OpenBSD Soon ● NetBSD ● OpenBSD Not yet supported (as a client): ● Dragonfly BSD OpenAFS: BSD Clients 2009 BSD Port History I ● First 386BSD port probably that of John Kohl (MIT), for NetBSD ● First to appear in OpenAFS is FreeBSD, by Tom Maher ● Next to appear in OpenAFS is OpenBSD, by Jim Rees ● Significant evolution -
Recent Security Enhancements in Netbsd
Recent Security Enhancements in NetBSD Elad Efrat < [email protected] > September 2006 Abstract Over the years, NetBSD obtained the position of the BSD focusing on portability. While it is true that NetBSD offers an easily portable operating system, care is also given to other areas, such as security. This paper presents the NetBSD philosophy of security, design decisions, and currently offered security features. Finally, some of the current and future research will be revealed. 1. Introduction Running on almost twenty different architectures, and easily portable to others, NetBSD gained its reputation as the most portable operating system on the planet. While that may indicate high quality code, the ever demanding networked world cares about more than just that. Over the past year, NetBSD evolved quite a bit in various areas; this paper, however, will focus on the aspect relating to security. This paper was written and structured to present a full overview of the recent security enhancements in NetBSD in an easily readable and balanced form that will satisfy new, intermediate, and experienced users. References were sprinkled across the text to provide more information to those who want the gory details, while preserving the continuity. Section 2 will present the bigger picture of security in NetBSD: how NetBSD perceives security, the design decisions of NetBSD software in general and the security infrastructure and features more specifically. Section 3 will present a detailed overview of the recent enhancements in the security infrastructure and features of NetBSD including, where relevant, details about the design, implementation, and possible future development. Section 4 will present current security-related research and development in NetBSD, and section 5 will discuss how the described enhancements work together to provide a more secure platform. -
Mengenal Sistim Operasi *BSD
Mengenal Sistim Operasi *BSD Ada banyak sekali tulisan-tulisan yang membahas tentang BSD, baik tulisan mengenai sejarah, system administrasi, sampai penggunaan BSD kepada end-user sebagai desktop. Tulisan ini memperkenalkan BSD sebagai alternatif lain dari Linux untuk memenuhi kebutuhan akan UNIX-like operating system di Indonesia. Dalam tulisan ini pula, dibahas mengenai beberapa hal yang membedakan antara Linux dan BSD, namun tidak memutuskan mana yang paling baik, karena untuk menentukan mana operating system yang paling baik digunakan adalah Anda sendiri. Daftar Isi 1. Sejarah 2. Distribusi Varian BSD 3. Model Pengembangan 4. Integrasi System 5. Software-software di BSD 6. System Administrasi 7. File System 8. Lain-lain 9. Kesimpulan Sejarah Hampir semua orang telah mendengar Linux saat ini. Namun apa itu BSD? BSD adalah singkatan dari Berkeley Software Distribution. BSD pertama kali dibangun dan dikembangkan oleh Computer System Research Group (CSRG) di University of California at Berkeley (UCB), BSD pertama kali keluar pada akhir 1977 sebagai paket tambahan dan patch dari AT&T UNIX version 6, yang mana waktu itu beroperasi pada mesin PDP-11 minicomputer. BSD pada akhirnya banyak memberikan kontribusi berharga pada pengembangan UNIX secara umum. Ada banyak fitur yang pertama kali diperkenalkan oleh BSD dan beberapa diadopsi dari AT&T dan vendor-vendor lainnya. BSD dibuat, dikembangkan, dan digunakan secara BEBAS sebagai perlawanan terhadap lisensi UNIX yang dimiliki oleh AT&T dan oleh karena itu BSD mempunyai lisensi tersendiri yang memungkinkan setiap orang bebas melakukan pengembangan, dan menggunakan source code BSD. Pada tahun 1993, 4.4BSD dirilis sebagai sebuah Operating System yang utuh. Untuk sejarah lengkap BSD di CSRG, mulai sejarah dari jaman kuda, motivasi orang-orang yang pertama kali mengerjakannya, sampai perseteruan lisensi dan hak cipta dengan AT&T, saya mereferensikan Anda untuk membaca tulisan yang dibuat oleh Kirk McKusick, “Twenty Years of Berkeley Unix“. -
UNIX History Page 1 Tuesday, December 10, 2002 7:02 PM
UNIX History Page 1 Tuesday, December 10, 2002 7:02 PM CHAPTER 1 UNIX Evolution and Standardization This chapter introduces UNIX from a historical perspective, showing how the various UNIX versions have evolved over the years since the very first implementation in 1969 to the present day. The chapter also traces the history of the different attempts at standardization that have produced widely adopted standards such as POSIX and the Single UNIX Specification. The material presented here is not intended to document all of the UNIX variants, but rather describes the early UNIX implementations along with those companies and bodies that have had a major impact on the direction and evolution of UNIX. A Brief Walk through Time There are numerous events in the computer industry that have occurred since UNIX started life as a small project in Bell Labs in 1969. UNIX history has been largely influenced by Bell Labs’ Research Editions of UNIX, AT&T’s System V UNIX, Berkeley’s Software Distribution (BSD), and Sun Microsystems’ SunOS and Solaris operating systems. The following list shows the major events that have happened throughout the history of UNIX. Later sections describe some of these events in more detail. 1 UNIX History Page 2 Tuesday, December 10, 2002 7:02 PM 2 UNIX Filesystems—Evolution, Design, and Implementation 1969. Development on UNIX starts in AT&T’s Bell Labs. 1971. 1st Edition UNIX is released. 1973. 4th Edition UNIX is released. This is the first version of UNIX that had the kernel written in C. 1974. Ken Thompson and Dennis Ritchie publish their classic paper, “The UNIX Timesharing System” [RITC74]. -
MINIX3: a Reliable and Secure Operating System
MINIX3: A Reliable and Secure Operating System Andrew S. Tanenbaum and a team of students and programmers who actually did all the work Vrije Universiteit Amsterdam, The Netherlands 1 GOAL OF OUR WORK: BUILD A RELIABLE OS Tanenbaum’s definition of a reliable OS: “An operating system is said to be reliable when a typical user has never experienced even a single failure in his or her lifetime and does not know anybody who has ever experienced a failure.” In engineering terms, this is probably mean time to failure > 50 years I don’t think we are there yet 2 THE TELEVISION MODEL 1. You buy the television 2. You plug it in 3. It works perfectly for the next 10 years 3 THE COMPUTER MODEL (WINDOWS EDITION) 1. You buy the computer 2. You plug it in 3. You install service packs 1 through 9f 4. You install 18 new emergency security patches 5. You find and install 7 new device drivers 6. You install antivirus software 7. You install antispyware software 8. You install antihacker software (firewall) 9. You install antispam software 10. You reboot the computer 4 THE COMPUTER MODEL (2) 11. It doesn’t work 12. You call the helpdesk 13. You wait on hold for 30 minutes 14. They tell you to reinstall Windows 5 TYPICAL USER REACTION The New York Times recently reported that 25% of computer users have gotten so angry at their computer that they physically hit it. 6 IS RELIABILITY SO IMPORTANT? • Annoying • Lost work • But also think about – Industrial control systems in factories – Power grids – Hospital operating rooms – Banking and e-commerce servers – Emergency phone centers – Control software in cars, airplanes, etc.