Today, I am comparing the original pid=1 process sysVinit vs systemd,. I touch briefly on openRC and Upstart, but there are of course others. The pid=1 process is the first user level process launched by the kernel and it is the one which maintains the services which are needed to provide additional capabilities on your Linux system. Gentoo's excellent wiki article which compares the various pid=1 processes available on Linux: https://wiki.gentoo.org/wiki/Comparison_of_init_systems RedHats documentation on systemd: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_basic_system_settings/index Table of Contents 00:00 - Intro 00:15 - Intro to PID 1 03:16 - init symlink 03:48 - Init Steps 09:51 - SysVinit RunLevels 13:02 - runlevel cmd 13:16 - telint cmd 17:41 - alternatives to sysVinit 21:02 - Systemd Services as Units 22:41 - systemd targets 24:31 - Systemd Pros 25:37 - Systemd Cons 29:36 - Final Thoughts 30:58 - Outro Support me on Patreon: https://www.patreon.com/DJWare Follow me: Twitter @djware55 Facebook:https://www.facebook.com/don.ware.7758 Gitlab: https://gitlab.com/djware27 #pid1 #systemd #sysvinit