 System and Service Manager [](https://the-real-systemd.semaphoreci.com/projects/systemd)<br/> [](https://scan.coverity.com/projects/350)<br/> [](https://oss-fuzz-build-logs.storage.googleapis.com/index.html#systemd)<br/> [](https://github.com/systemd/systemd/actions)<br/> [](https://bestpractices.coreinfrastructure.org/projects/1369)<br/> [](https://jenkins-systemd.apps.ocp.ci.centos.org/job/upstream-centos8/)<br/> [](https://jenkins-systemd.apps.ocp.ci.centos.org/job/upstream-vagrant-archlinux/)<br/> [&job=upstream-vagrant-archlinux-sanitizers)](https://jenkins-systemd.apps.ocp.ci.centos.org/job/upstream-vagrant-archlinux-sanitizers/)<br/> [&job=upstream-vagrant-rawhide-selinux)](https://jenkins-systemd.apps.ocp.ci.centos.org/view/Upstream/job/upstream-vagrant-rawhide-selinux/)<br/> [](https://fossies.org/linux/test/systemd-main.tar.gz/codespell.html)</br> [](https://coveralls.io/github/systemd/systemd?branch=main)</br> [](https://repology.org/project/systemd/versions)</br> [](https://api.securityscorecards.dev/projects/github.com/systemd/systemd) ## Details Most documentation is available on [systemd's web site](https://systemd.io/). Assorted, older, general information about systemd can be found in the [systemd Wiki](https://www.freedesktop.org/wiki/Software/systemd). Information about build requirements is provided in the [README file](README). Consult our [NEWS file](NEWS) for information about what's new in the most recent systemd versions. Please see the [Code Map](docs/ARCHITECTURE.md) for information about this repository's layout and content. Please see the [Hacking guide](docs/HACKING.md) for information on how to hack on systemd and test your modifications. Please see our [Contribution Guidelines](CONTRIBUTING.md) for more information about filing GitHub Issues and posting GitHub Pull Requests. When preparing patches for systemd, please follow our [Coding Style Guidelines](docs/CODING_STYLE.md). If you are looking for support, please contact our [mailing list](https://lists.freedesktop.org/mailman/listinfo/systemd-devel) or join our [IRC channel](irc://irc.libera.chat/%23systemd). Stable branches with backported patches are available in the [stable repo](https://github.com/systemd/systemd-stable).