dtrace -n 'syscall:::entry { @num pid,execname » = count(); }'
The move toward 64-bit computing is often generalized behind the assumption that "more bits must be better," but that's not always true. In some cases, expanding support for more bits of memory addressing only results in requiring more RAM and computing overhead to do the same thing. However, Apple's progressive expansion of 64-bit support in Snow Leopard will bring performance enhancements across the board for users of new 64-bit Intel Macs. Here's a look at why, along with how it is that every version of Mac OS X since Tiger has advertised "64-bit support" as a key feature.
web-based source code browser for historic unix versions with comments from the gurus
web-based source code browser for current and historic unix versions
a state of 2008 kernel backdoor
FreeBSD 7.0 has already been released. If you are a real hacker, the best way to jump in and learn it is hacking together an introductory kernel module. In this article I’ll implement a very basic module that prints a message when it is loaded, and another when it is unloaded. I’ll also cover the mechanics of compiling our module using standard tools and rebuilding the stock FreeBSD kernel. Let’s do it!
an introduction
or: welcome to hell.
