Project Summary
systemd is a system and service manager for Linux, compatible with SysV and LSB init scripts. systemd provides aggressive parallelization capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux cgroups, supports snapshotting and restoring of the system state, maintains mount and automount points and implements an elaborate transactional dependency-based service control logic. It can work as a drop-in replacement for sysvinit.
In a Nutshell, systemd...
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
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took an estimated 255 years of effort (COCOMO model)
starting with its first commit in November, 2009
ending with its most recent commit about 24 hours ago
Quick Reference
GNU Lesser General Public License v2.1 or later
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These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
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30 Day SummaryDec 14 2025 — Jan 13 2026
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12 Month SummaryJan 13 2025 — Jan 13 2026
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Static Analysis ( Generated by Coverity Scan for systemd/systemd )
Repository URL: https://github.com/systemd/systemd
Version: b6585c8
- 2026-01-13
- Last Analyzed
- 1,034,440
- Lines of Code Analyze
- 0.07
- Defect Density
Defects by status for current build
- 1,885
- Total defects
- 71
- Outstanding
- 1,423
- Fixed