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R command

The R command places an executable system program in memory and starts


     @R (PROGRAM) filespec /switch


     filespec       is  the  file  specification  of  any   executable
                         Default dev:<directory> - SYS:

                         Default .typ - .EXE

     /switch        is   /USE-SECTION:n
                         specifies the memory section (from  0  to  37
                         octal)  in which your program is to run.  You
                         can use this switch only if your program  can
                         be contained in one section.


     Need for R Command

          Although in most cases you can run system programs by simply
          typing  the  program name in place of an EXEC command, the R
          command is necessary for running a program whose name is the
          same  as  an  EXEC  command  or  an abbreviation for an EXEC
          command.  For example, if your site  has  a  system  program
          named CONNECT, it must be run with the R command in order to
          distinguish it from the EXEC's CONNECT command.  If you have
          a system program named GE, it must be run with the R command
          to distinguish it from  the  GE  abbreviation  for  the  GET

     Cancels the Ephemeral Attribute

          If a system program has been set  ephemeral  by  the  system
          manager  or, you have given a SET PROGRAM EPHEMERAL command,
          you can  cancel  the  ephemeral  attribute  by  running  the
          program  with  the  R  command instead of typing the program
          name as an EXEC command.

          For more information on the  ephemeral  attribute,  see  the
          ERUN help file.


     Defining SYS:

          If you redefine logical name SYS:  to be different from  the
          system-wide  definition,  you  should  include  SYS:  in the
          search list if you want to use the R command to  run  system
          programs.   For  further information, see the section titled
          Redefining System Logical Names in the DEFINE help file.

Effect on Memory

     The R command clears any  unkept  forks,  places  in  memory  and
     starts the specified program.

Related Commands

     INFORMATION LOGICAL-NAMES     for  examining  the  definition  of

     RUN                           for   running    executable    user


     1.  Run the FILCOM system program.

         @R FILCOM

     2.  Find out what APL programs  are  available  in  logical  name
         SYS:.  Run one of them.



          Total of 3 files
         @R APL.EXE