rfetch-0.4.1 is not a library.
rfetch
A Fetch program in Rust with no dependancies
-A, --all View all
-a Vies system architecture
-b View system board family
-c View system CPU
-d View desktop environment
-D View Linux Distribution
-h, --help View this help information
-H View current user home directory
-k View system kernel
-o View system OS
-s View user shell
-S View current graphics session
-u View user name