The scs command is used for the Finnish Signature Creation Service (SCS) component. It starts a local web server that is accessed from the web browser. See SCS component for more information.
The site option opens the local SCS site in the default browser. This site is dependent on installation package, but usually displays some information about the current SCS installation.
The certificate option opens the SCS web server certificate in the platform viewer for certificates.
The root-ca option opens the root certificate for the SCS web server certificate in the platform viewer for certificates.