Versioning ?

Version 1

Version 1 Version 2

Version 1 Version 2 Version 3

Version 1 Version 2 Version 3 Version 4

Version 1 Version 2 Version 3 Version 4

?

Version 1 Version 2 Version 3 Version 4

??

VCS to the rescue!

VCS(Version Control System)

Version 1

VCS

Version 1 Version 2

VCS

Version 1 Version 2 Version 3

VCS

Version 1 Version 2 Version 3 Version 4

VCS

Version 1 Version 2 Version 3 Version 4

VCS

Version 1 Version 2 Version 3 Version 4

VCS

VCS

VCSD

Distributed

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS

VCS VCS

VCS

VCS

VCS VCS

VCS

VCS

VCS VCS VCS

VCS

VCS

VCS VCS VCS

Distributed!

GIT is a DVCS