Shelving in Perforce – Link

http://filehost.perforce.com/downloads/media/shelving/shelving.html

Branching/Merging using Perforce – Links

Branching/Merging using Perforce Command-Line Client (P4) and Perforce Visual Client (P4V) …

http://kb.perforce.com/?article=4

http://filehost.perforce.com/downloads/media/branching/branching.html