Under $SASHOME, alongside SASFoundation, you should find SASPlatformObjectFramework/9.x/MakeFolder
The documentation is very basic but something like this can get you started:
cd $SASHOME/SASPlatformObjectFramework/9.x/MakeFolder
./MakeFolder -profile "/home/sasadm/MetadataServerProfiles/sasadm_myserver_Lev1.swa" -appropriate_options -log "/home/sasadm/MetaUtilitiesLogs"