b350b77c_Minimal_System___SlackWiki__Short_Description
[Package] sysvinit [Long Description] System V style init programs by Miquel van Smoorenburg that control the booting and shutdown of your system. These support a number of system runlevels, each with a specific set of utilities spawned. For example, the normal system runlevel is 3, which starts agetty on virtual consoles tty1 - tty6. Runlevel 4 starts xdm. Runlevel 0 shuts the system down. [Short Description] 
init, the parent of all processes
Minimal System - SlackWiki
Short Description