paldo (operating system)

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Official website
OS family Unix-like
Working state Current
Supported platforms IA-32, x86-64
Source model Free and open source software
License Mainly the GNU GPL plus proprietary binary blobs and various other licenses
Kernel type Monolithic
Default UI GNOME
Userland GNU
Update method Upkg
Release information
Initial release October 31, 2004 (2004-10-31)
Latest release rolling release

paldo ("pure adaptable linux distribution"[1]) is a computer operating system built on top of the Linux kernel and using the GNU utilities. It was originally developed by Jürg Billeter and Raffaele Sandrini and released in 2004, mainly under the GNU GPL.

Intended primarily for desktop computers using the IA-32 (i686) and x86-64 architectures, paldo was developed to utilize applications that remain as close to their upstream source as possible.[2] paldo has a history of frequent stable releases starting in 2004 (generally every 3 months) and a "rolling release" style of continual updating of the system and application packages. It has typically been offered in stable and unstable versions and is one of the relatively few independent distributions listed on DistroWatch.[3]

paldo uses the UPKG package manager to upgrade the system and install applications. Using UPKG makes paldo a mix of a source and a binary distribution. Based on Mono software, UPKG builds packages from source or installs pre-built binaries, using XML scripts that can be customized by the user. It relies on the command-line interface rather than a graphics-based user interface implementation commonly found in many desktop-oriented Linux distributions. UPKG provides dependency resolution, package indexing and automatic menu additions, although installation of even binary packages has been found to take a relatively long time.[4]

A stated intent of the paldo project is to only use selected programs in the distribution that satisfy a "just works" principle, with limited intervention needed by the user to compile or update, and that are task-oriented with minimal duplication of programs designed to accomplish the same task.[1] Another principle is to minimize patching of paldo application packages, preserving adaptability for the end user to make changes or customize the system. Minimal customization of applications may also allow any required patches to be more easily available to the maintainers of the original packages.[2] A customized installer application was developed, however, to simplify installation of live CD releases to the user's computer.[5]

paldo has primarily used the GNOME desktop in release snapshots available on the Live/Install CD. The default web browser is Epiphany, the default for the GNOME desktop, although other browsers are available or can be built using UPKG.

Typical applications found on the paldo Live/Install CD and in the repository have included:

Subsequent to the 1.22 stable release, paldo adopted a rolling release format and in April 2011 made GNOME 3.0 available, using a Linux kernel, and moved to systemd v24.

Selected packages in paldo (stable) as of January 2014 include:

In 2009, the version 7 release of the Swedish-based ExTiX Linux distribution was based on paldo version 1.18(stable), using Linux kernel 2.6.30 and Gnome desktop environment 2.26.1.[6]

Package management system[edit]

Paldo is build around the Package management system upkg.[7][8][9]


  1. ^ a b [1] "What is Paldo?". Retrieved 29 May 2010
  2. ^ a b Smith, Jesse.[2] "Peering at Paldo 1.21", "OSNews", 10 March 2010. Retrieved 26 Feb 2012.
  3. ^ [3], "DistroWatch". Retrieved 15 May 2012.
  4. ^ Linton, Susan.[4] "Feature: Paldo", "", 11 December 2007. Retrieved 15 May 2012.
  5. ^ Graham, Paul.[5] "Distro Challenge", "Linux Format", October 2010. Retrieved 20 May 2012.
  6. ^ [6] "The ultimate Linux system :: ExTiX v7.0 [090710]" July 2009. Retrieved 1 Apr 2013.
  7. ^
  8. ^
  9. ^

External links[edit]