Classic Sites

For All Users (Active)

This command will run through each user and is slow. It will only show sites with at least 1 active owner. Adding  role owner will include orphaned sites; sites without owners.

gam all users print sites todrive

All Sites

Or for the Domain. Much quicker but returns more sites. This includes orphaned sites, sites with active owners and suspended owners. Includning includeallsites roles owner will list a line for each owner. This report closely matches the info found at https://sites.google.com/classicsitesmanager

gam print sites domains <Domain> 

For a Single User

gam user <User Email Address> print sites todrive role owner

Owner

gam user <User Email Address> show siteacls <domain/site-name>

Show Site Activity

gam user <User Email Address> print siteactivity <domain/site-name>

Add an owner

gam user <User Email Address> add siteacls <domain/site-name> owner <New Owner Email Address>

Change roles

gam user <User Email Address> update siteacls <domain/site-name> editor <Existing Site User Email Address>

Delete users

gam user <User Email Address> delete siteacls <domain/site-name> <User to Delete Email Address>