Portal:Zypper/Intro
Zypper is a command line package manager which makes use of libzypp. Zypper provides functions like repository access, dependency solving, package installation, etc.
YaST2 and RPM MetaData package repositories are supported. Zypper repositories are similar to the ones used in YaST, which also makes use of libzypp. Zypper can also handle repository extensions like patches, patterns, and products.