I was getting many requests through emails and messages to tell the basic difference between SystemV & SystemD, so I thought to make an infographic for it. SystemD is the new init system used in Red Hat Enterprise Linux 7, earlier RHEL 6 was using systemV, so it is very important to know the basic difference between these two.
Before starting let’s first know what are SystemV & SystemD.
What is SystemV & SystemD?
Systemd is a system and service manager for RHEL 7 and controls the behavior of service, like how they are started, stopped and managed. More detail about Systemd can be found in this Wikipedia article.
SystemV which is also pronounced as “System Five“, is a init runlevel system which provides a standard process for controlling which programs init start or stop when initializing a runlevel.
SysV init was chosen because it is easier to use and more flexible than the traditional BSD-style init process.
[Infographic] Basic Level Comparison Between SystemV & SystemD
This is very basic level infographic and shows runlevel comparison and how to start, stop and restart services in both SystemV and SystemD. It also shows how to enable and disable services in SysV and systemd.
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Hope this infographic will help you and your friends in knowing basic differences between SystemV & SystemD. Do let me know what are your views about it and do not forget to share this post and subscribe to my blog.
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