ROSAForum

I'd like to know ho to add all these repositories to my system so that I can find all applications with software manager:



MIB Basic: i586 (3000), x86_64 (673)

MIB Experts: i586 (24), x86_64 (16)

ROSA Contrib: i586 (12121), x86_64 (7601)

ROSA Contrib Updates: i586 (4633), x86_64 (2779)

ROSA Main: i586 (11748), x86_64 (7615)

ROSA Main Updates: i586 (5286), x86_64 (4371)

ROSA Nonfree: i586 (174), x86_64 (103)

ROSA Nonfree Updates: i586 (70), x86_64 (53)

ROSA Restricted: i586 (295), x86_64 (274)

ROSA Restricted Updates: i586 (207), x86_64 (203)

Command in a terminal as root

What kind of respositories are they?

I would like to add signature for my profile, but dont know how to. Requesting the signature guidelines if anybody can suggest.