Analysis of information sources in references of the Wikipedia article "Systemd" in English language version.
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systemd uses many Linux-specific features, and does not limit itself to POSIX. That unlocks a lot of functionality a system that is designed for portability to other operating systems cannot provide.
systemd defines itself as a system and service manager. The project was initiated in 2010 by Lennart Poettering and Kay Sievers to create an integrated set of tools for managing a Linux system including an init daemon.
Yes, it is written systemd, not system D or System D, or even SystemD. And it isn't system d either. Why? Because it's a system daemon, and under Unix/Linux those are in lower case, and get suffixed with a lower case d.
ConsoleKit is currently not actively maintained. The focus has shifted to the built-in seat/user/session management of Software/systemd called systemd-logind!
...Knoppix 'boot process continues to run via Sys-V init with few bash scripts that start the system services efficiently sequentially or in parallel. (The original German text: Knoppix' Startvorgang läuft nach wie vor per Sys-V-Init mit wenigen Bash-Skripten, welche die Systemdienste effizient sequenziell oder parallel starten.)
...script-based KNOPPIX system start with sysvinit
It certainly is not something that comes with systemd from upstream.
The recently released openSUSE 12.2 does migrate from SysVinit to systemd
... a slice ... is a concept for hierarchically managing resources of a group of processes.
systemd uses many Linux-specific features, and does not limit itself to POSIX. That unlocks a lot of functionality a system that is designed for portability to other operating systems cannot provide.
Yes, it is written systemd, not system D or System D, or even SystemD. And it isn't system d either. Why? Because it's a system daemon, and under Unix/Linux those are in lower case, and get suffixed with a lower case d.
It certainly is not something that comes with systemd from upstream.
... a slice ... is a concept for hierarchically managing resources of a group of processes.
...script-based KNOPPIX system start with sysvinit
...Knoppix 'boot process continues to run via Sys-V init with few bash scripts that start the system services efficiently sequentially or in parallel. (The original German text: Knoppix' Startvorgang läuft nach wie vor per Sys-V-Init mit wenigen Bash-Skripten, welche die Systemdienste effizient sequenziell oder parallel starten.)
The recently released openSUSE 12.2 does migrate from SysVinit to systemd
ConsoleKit is currently not actively maintained. The focus has shifted to the built-in seat/user/session management of Software/systemd called systemd-logind!
