Archive for the 'Operating Systems' Category


Thursday, January 31st, 2008

A Myth That Won’t Die

IBM Assured Execution Environment

Saturday, June 23rd, 2007

Several years ago, while I was working at the IBM Almaden Research Center, we came up with a security mechanism called the Assured Execution Environment (AxE). We had implementations for Windows XP and Mac OS X. (Although AxE supports code signing as a feature, it’s not the same—in any case, this was long before code [...]

Making procfs Cooler

Tuesday, June 5th, 2007

A few weeks ago, I released as open source a MacFUSE-based process file system for Mac OS X. I recently added several new features to this procfs implementation. Some of these features are "cool" in that they put a new twist on certain types of visual information. For example, there’s a folder /proc/system/hardware/displays/ that contains [...]

Video: MacFUSE "Open Source" Talk

Friday, June 1st, 2007

We did a MacFUSE talk at Google last week: Video on YouTube

Process Photography on Mac OS X

Sunday, May 13th, 2007

Details on taking a snapshot of the memory and register state of a running process on Mac OS X, including source for a user-space program that does that.

Public Talk on MacFUSE @ Google

Thursday, May 10th, 2007

People are welcome to join us at Google on Thursday, May 24, for an open-to-public talk on all things MacFUSE. I’m told that “Doors open at 6:30PM at Google’s Mountain View campus. Guests should plan to sign in at Building 41 reception upon arrival. Refreshments will be served…” Here’s an abstract: File systems provide one [...]

procfs for Mac OS X

Tuesday, May 8th, 2007

I’ve made available a MacFUSE-Based process file system for Mac OS X. Source code is included.

Updates to MacFUSE and SSHFS

Thursday, April 19th, 2007

MacFUSE 0.2.5 and SSHFS for MacFUSE 0.2.0 bring several important and useful updates to the user. Changelog for MacFUSE Changelog for SSHFS

MacFUSE 0.2.2, More Source Code!

Monday, February 26th, 2007

On the MacFUSE Project Page, you now have a new release of MacFUSE Core. Please be sure to upgrade as this fixes a nasty bug. Besides, in the filesystems-objc subdirectory, you’ll find source for the Objective-C library that we used to create the file systems shown in the MacFUSE Tech Demos video. You will also [...]

MacFUSE 0.2.0

Sunday, February 11th, 2007

A new release is up at the MacFUSE project page. 0.2.0 adds several new features and fixes several bugs. New features include support for kqueue/kevent, advisory locking, full extended attributes support, support for extended security (ACLs), support for “direct I/O” (this allows the user-space file system to return less data than the file’s size, and [...]

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