As RAM increasingly becomes a commodity, the prices drop and computer users are able to buy more. 32-bit archictectures face certain limitations in regards to accessing these growing amounts of RAM. To better understand the problem and the various solutions, we begin with an overview of Linux memory management. Understanding how basic memory management works, we are better able to define the problem, and finally to review the various solutions. This article was written by examining the Linux 2.6 kernel source code for the x86 architecture types.

Recently, Ken Farmer of LinuxHPC.org and David Kanter of Real World Technologies had an opportunity to interview Jason Pettit, of SGI. Jason is the Product Line Manager for the SGI Altix 3000 at SGI, and has been working with various Linux based systems since 1998.

The popular German TV channel 3Sat put together a mini-presentation to the YellowTAB GmbH and their OS offering, Zeta. The program starts with a bit of history about Be/BeOS and moves to YellowTAB's offices and their newest product, ZintrO. Check in for exclusive shots & info on the ZintrO.

This technical tutorial by veteran real-time instructor David Kalinsky examines the high-level design of driver software to operate hardware devices that are interfaced to embedded computers. It begins with a discussion of basic issues such as mutual exclusion of device access, and synchronous vs. asynchronous input/output models. Then it goes through a series of structural models for device driver design with RTOS interaction, going from simple to more complex.

The Independent Qt Tutorial has been updated with more links to third party resources and a new chapter of Qwt - Qt Widgets for Technical Applications. Using Qwt, Qt can be used to rapidly develop scientific applications.

The openMosix software packages turn networked computers running GNU/Linux into a cluster. It automatically balances the load between different nodes of the cluster. Nodes can join or leave the running cluster without disruption. The cluster spreads the workload between nodes according to their connection and CPU speeds. Even more about OpenMosix here.

" Now, we're beginning to hear about super-size Windows systems that live up to the high expectations set seven years ago. They include a 27-Terabyte data warehouse, a heavily trafficked Web site, and some of the world's most widely used financial applications." Read the report at InformationWeek.

Firebird SQL 1.5 is officially released. Right now, only Linux and Windows versions are available, but other platforms should follow shortly. Scroll down here to download the files.

"To the outsider, and even to me for some time, the various lawsuits involving the SCO Group follow a relatively simple story line. I'm not a lawyer, but after many interviews with the involved parties and lawyers, the case boils down to divergent interpretations of the subject matter." Read the editorial at ZDNet.

I already have a PalmV PDA with PalmOS 3.5. I never use it. I practically have absolutely no need for an organizer. Yet, I wanna buy a new one. That geek gene in me (that my mother unsuccessfully tried to kill over the years) what really wants is a "truly mobile PC" that just isn't a laptop. So, for the last few days I was shopping around the Internet for a new PDA (preferably a PocketPC this time) that would fit the kind of thing I am looking for. I was... horrified to find out that what I need isn't... invented yet.

In an effort to keep its customers secure following the recent Windows source code leaks, Microsoft has turned to the lessons it learned while taking a two month hiatus in early 2002 to clean house and eliminate insecure code from Windows. Also, Microsoft sent letters to several Internet service providers this week telling them that they have customers suspected of trading the stolen Windows 2000 and Windows NT code on peer-to-peer networks like Morpheus and Kazaa.

NewOS now features automatically created bootable images on its web site. Users who would like to try out the latest version of the NewOS kernel can easily rawrite/dd it on a floppy disk and boot with it. NewOS is the preffered kernel for OpenBeOS, but OpenBeOS uses a modified older version of NewOS.

Autopackage 0.4, codenamed "Better late than never ;)" is now available. Version 0.4 has most of the local architecture in place, with a terminal front end and a working GTK2 based GUI frontend. It can build, install, verify and uninstall packages of medium complexity (mplayer, gaim etc).

The (unconfirmed) info says that Mac OS X 10.4 will go "further than anticipated", introducing not only a "database-driven" new Finder (possibly similar to BeOS' Tracker) --although the file system itself will still be HFS+-- but also a wide support for file metadata. Please note that both the BeFS (and quite possibly this Apple implementation) is not similar to Longhorn's WinFS (apples & oranges). All this is not a surprise for us, as the people who were behind the same realization on BeOS --Dominic Giampaolo and Pavel Cisler-- today work at key positions at Apple Computer in the file system and Finder areas respectively. Pavel is also known for the Gnome Nautilus work while Dominic's legendary book "Practical File System Design with the Be File System" was recently released for free as a PDF. Enjoy!