A Survey of Unix Init Schemes  
Abstract:  
The Boot Process  
A Bit of History  
Evolution of Init Schemes  
Technical Summaries  
1 BSD init  
2 System V init  
3 The need(8) Concept  
4 Gentoo rc  
5 InitNG  
6 runit  
7 Apple launchd  
8 Ubuntu upstart  
9 eINIT  
10 Pardus  
11 LSB init Specifications  
12 Daemon tools: svscan  
13 minit  
14 jinit  
15 cinit  
16 monit  
17 depinit  
18 NetBSD rc.d  
19 Solaris SMF  
20 Other Contenders