=  Save file

        SAVe    [file-name] [/M{P|U|M}] [-x | -nx] [-NB]

          file-name : wild card avail to rename.
          /M :Save with the specified EndOfLine char.
               P:0d0a(PC file)
               U:0a  (Unix file)
               M:0d  (Mac file)
          -x   :save excluded lines only
          -nx  :save not excluded lines only
          -NB  :skip temporary backup at file save.
                To protect from file corruption by ABEND at file write,
                original file(local file except on floppy drive only) is copied
                on the directory just before writeback,then deleted after
                write completed. Specify NB if you worry about disk space
                or performance.
          -BK  :deny NB option of Edit cmd.

            -Without terminating edit screen,write all line to the file.
            -Use file-name operand when it cannnot be saved because disk
             full etc.Once saved to another dir,then end edit screen
             by CANcel.Copy back to original file after disk clean up.
            -It may be optionaly required confirmation when existing
             filename is specified.
             (CREate/REPlace need line range specification by Line
              commnad c(Copy) or m(Move),but SAVe write whole lines of the file)
            -In BROWSE mode filename operand required.
            -all lines are processed,in the other hand CRE/REP process
             specified range.