Slackware Linux, first released in July 1993 by Patrick Volkerding, holds the distinguished title of being the oldest continuously maintained Linux distribution in existence. While contemporaries like SLS and Yggdrasil faded into history, Slackware has endured for over three decades — a testament to its rock-solid philosophy of keeping things simple, stable, and transparent. Version 15.0, released in February 2022 after six years of development, brought significant modernization while preserving everything that made Slackware legendary.
Philosophy & Design
Slackware's guiding principle is adherence to the Unix philosophy: do one thing well, keep it simple, avoid unnecessary abstraction. Unlike most modern distributions, Slackware uses a BSD-style init system instead of systemd, plain shell scripts for system management, and a minimal package manager (pkgtool) with zero dependency resolution. This means you, the user, are fully responsible for understanding what you install. There is no safety net — and that's precisely the point.
Installation Experience
The Slackware installer is a text-based, ncurses-driven interface that has remained largely unchanged since the early 1990s. While this may seem dated, it is remarkably informative — you choose which package sets to install, manually configure your partitions, and set up your bootloader without any graphical wizard making decisions for you. Experienced users find this process clarifying and precise. Beginners will likely find it overwhelming without prior study.
Package Management
Slackware ships with pkgtool, a simple set of shell scripts for installing, removing, and upgrading .tgz/.txz packages. The official slackpkg utility allows syncing with mirrors and upgrading the system, but critically, it does not handle dependencies automatically. Third-party tools like SlackBuilds.org and sbopkg fill this gap by providing community-maintained build scripts for thousands of additional packages, following a FreeBSD ports-like approach that compiles software from source.
Slackware 15.0 — What's New
The long-awaited 15.0 release modernized the distribution significantly: it ships with KDE Plasma 5 as the primary desktop (the first major KDE update in many years), a 5.15 LTS kernel, PAM support, updated core toolchain (glibc 2.33, GCC 11), and improved hardware compatibility. Despite these updates, Slackware 15.0 still refuses to adopt systemd, continuing to use its traditional BSD-style init scripts — a deliberate design decision that sets it apart from virtually every other major distribution.
Stability & Security
Slackware's release cadence is famously slow and deliberate — Patrick Volkerding does not rush releases. This results in extremely well-tested, stable software. The system rarely breaks and, once configured correctly, can run for years without issues. Security patches are distributed as official update packages through slackpkg. The minimal default installation also means a smaller attack surface compared to feature-heavy distributions.
Community & Ecosystem
Despite its age and demanding learning curve, Slackware maintains a passionate, knowledgeable community. LinuxQuestions.org's annual Slackware forum remains one of the most active Linux help forums on the internet. SlackBuilds.org hosts over 9,000 community build scripts. Projects like Slackware Live Edition and derived distributions (Salix OS, Porteus, Zenwalk) extend the ecosystem further. The community is famously helpful to those who demonstrate genuine effort.