Slackware Linux 13.37, a new version of the world's oldest surviving Linux-based operating system, has been released: "It's true! Slackware 13.37 has been released. Nearly a year in the making, you will appreciate the performance and stability that can only come with careful and rigorous testing. Slackware 13.37 uses the 220.127.116.11 Linux kernel and also ships with 18.104.22.168 kernels for those who want to run the latest. The long-awaited Firefox 4.0 web browser is included, the X Window System has been upgraded (and includes the open source nouveau driver for NVIDIA cards). The venerable Slackware installer has been improved as well, with support for installing to btrfs, a one-package-per-line display mode option, and an easy to set-up PXE install server that runs right off the DVD!