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Kubuntu

Desktop · Linux, Unix-like · Blue Systems, Canonical Ltd.

Kubuntu

2005 vRegular: 25.10 (Questing Quokka) / October 9, 2025; 7 months ago (2025-10-09)LTS: 26.04 (Resolute Raccoon) / April 23, 2… Free software, GPL Active

Operating system entry sourced from Wikipedia: Kubuntu.

Key specifications

Family
Linux, Unix-like
Type
Desktop
Kernel
Monolithic, Linux kernel
Version
Regular: 25.10 (Questing Quokka) / October 9, 2025; 7 months ago (2025-10-09)LTS: 26.04 (Resolute Raccoon) / April 23, 2…
License
Free software, GPL
Released
2005

general

64-bit Processor 2.0 GHz dual-core
Available in Multilingual (more than 55)
Defaultuser interface KDE Plasma Desktop, Plasma Mobile
Developer Blue Systems, Canonical Ltd.
Hard drive capacity 10 GB
Initial release April 8, 2005; 21 years ago (2005-04-08)
Kernel type Monolithic, Linux kernel
Latest release Regular: 25.10 (Questing Quokka) / October 9, 2025; 7 months ago (2025-10-09)LTS: 26.04 (Resolute Raccoon) / April 23, 2026; 38 days ago (2026-04-23)
License Free software, GPL
Marketing target Home computers, business use
Memory 2 GB
Official website kubuntu.org
OS family Linux, Unix-like
Package manager dpkg, Snap
Source model Open-source
Supported platforms x86-64, ARM64
Update method APT, PackageKit
Userland GNU
Working state Current

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Performance profile

Catalog-derived scores for comparison — not benchmark results.

Security 86
Performance 42
Compatibility 52
Ecosystem 76
Modern support 83
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Data sources