[amano-kenji]

https://www.gentoo.org/get-started/

https://wiki.gentoo.org/wiki/Handbook:Main_Page

https://wiki.gentoo.org/wiki/Main_Page

I only needed gentoo wiki and gentoo handbook for everything from the begining. You can read arch wiki for more instructions.

[TheWiggles]

Awesome thanks :)

[sim7c00]

the handbooks are a true treasure trove.

other then that id recommend to look into (which will all be in the handbook): emerge, eselect, equery, eix (packages/tools related to package mgr)