RISC OS Memory Protection

Memory ProtectionOne common complaint or feature request for RISC OS improvement is to add "memory protection". This is largely a result of the relative ease of which single programs can take out the entire operating system, combined with a misunderstanding of what precisely memory protection is. In this article, Peter Naulls will try and cover some of the issues around memory protection, and why RISC OS is often so susceptible to breakage and some of the measures which can be taken to improve the situation.

Rebuilding the OpenBSD kernel

Users who want their OpenBSD machine to perform specific functions or need additional device drivers might want to customize their kernel. In other OS's, like some types of Linux, it is very popular to rebuild the kernel because the default is so bloated. For most users, the default OpenBSD kernel is sufficient; however, you can still apply kernel patches, which will require rebuilding and installing a fresh kernel.

China Announces Unix-compatible Server OS

Kylin, a server OS focusing on high performance, availability and security, that was funded by a Chinese government-sponsored R&D program, has been announced. Kylin has been organized in a hierarchy model, including the basic kernel layer which is similar to Mach, the system service layer which is similar to BSD and the desktop environment which is similar to Windows. It has been designed to comply with the UNIX standards and is compatible with Linux binaries. Unfortunately, the download page is currently nonfunctional.

New Desktop Features of Next Java

The next release of Java (Mustang) has some significant enhancements for desktop usage, including improved OS L&F, text anti-aliasing modes, more and improved graphics hardware usage, threading improvements, etc. Also, some long term bugs are fixed (like gray rectangle issue). See a full list and details.