VMS Help LSEDIT, Command Qualifiers, /WRITE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  /WRITE
  /NOWRITE

  Specifies that the file on the  LSEDIT  command  line  be  put  into  a
  writeable modifiable buffer.  The /NOWRITE qualifier specifies that the
  file on the LSEDIT command line be put into  a  read_only  unmodifiable
  buffer.