for comparison, this is what I get on my Linux box:

  ftp> help
  Commands may be abbreviated.  Commands are:
  
  !               features        mls             proxy           size
  $               fget            mlsd            put             sndbuf
  account         form            mlst            pwd             status
  append          ftp             mode            quit            struct
  ascii           gate            modtime         quote           sunique
  bell            get             more            rate            system
  binary          glob            mput            rcvbuf          tenex
  bye             hash            msend           recv            throttle
  case            help            newer           reget           trace
  cd              idle            nlist           remopts         type
  cdup            image           nmap            rename          umask
  chmod           lcd             ntrans          reset           unset
  close           less            open            restart         usage
  cr              lpage           page            rhelp           user
  debug           lpwd            passive         rmdir           verbose
  delete          ls              pdir            rstatus         xferbuf
  dir             macdef          pls             runique         ?
  disconnect      mdelete         pmlsd           send
  edit            mdir            preserve        sendport
  epsv4           mget            progress        set
  exit            mkdir           prompt          site