Your LOGIN.COM file can define the TECO command with preset qualifiers
  if desired.  The qualifiers /NOCRE, /NOINI, and /NOMEM are recognized
  by all TECO commands so that they can be preset at command definition
  time.  To disable all TECO start up actions you would use

         TECO == "$SYS$SYSTEM:TECO32 TECO/NOCRE/NOINI/NOMEM"

  To disable only TECO's memory you would use

         TECO == "$SYS$SYSTEM:TECO32 TECO/NOMEM"

  Etc.