SHRUG: SHRUG is the Hackers Reading and Understanding Group

The goal of SHRUG is to read, understand and present OS code. This does not have to be completely constrained to the kernel, but understanding how a modern kernel works is one of the primary goals.

SHRUG will be held Thursdays at 5 PM in A.V. Williams room 3258.

To subscribe to the SHRUG mailing list (shrug@cs.umd.edu), send email to majordomo@cs.umd.edu with the body "subscribe shrug".

Schedule

• April 19, 2001.  Presented by David Hovemeyer.  GeekOS - A template for booting and running programs on an x86 PC.  [Presentation slides], [source code].
• April 5, 2001.  Presented by Narendar Shankar.  The Linux NFS Daemon.
• March 29, 2001.  Presented by Jaime Spacco.  The NFS protocol.  [Presentation slides].
• March 8, 2001.  Presented by Rob Sherwood.  The Linux VFS layer.
• March 1, 2001.  Presented by Aram Khalili.  The ext2 filesystem.
• February 8, 2001.  Presented by Chadd Williams.  Booting Linux on the x86 architecture.  [Presentation slides].

Documentation

• Linux Core Kernel Commentary by Maxwell.
• The Linux Kernel Book by Card, et. al.
• Linux Kernel Internals by Beck, et. al.
• The Basic Kernel Source Code Secrets by Jolitz, et. al.
  
• Lions' Commentary on UNIX with Source Code, Sixth Edition by Lions.
• TCP/IP Illustrated, Volume 2

Resources

• GNU/Linux, Kernel snapshots
  • The Linux Kernel, printable.
  • Rob's notes on the Linux boot process
• FreeBSD, Notes on FreeBSD internals, Note on FreeBSD VM structure
• Itsy
• NetBSD, Kernel documentation links from netBSD
• Flux research group at Utah (includes a link to the OSKit)
• GNU/HURD
• MIT Exokernel
• Scout
• Spin

Previous SHRUGs

• Spring 2000

Comments to daveho@cs.umd.edu.

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