The command is as follows:
# uSERADD -D User Root Catalog - G FTP -S / SBIN / NOLOGIN User Name #passwd User Name
Increase user FTPUSER
# uSERADD -D // WWW / FTPUSER -G ftp -s / sbin / nologin ftpuser # passwd ftpuser
Increased users cannot log in with SSH, only FTP login