CHANGE TEXT_ENTRY_MODE
          switches the text entry mode between insert and overstrike.

      CLOSE BUFFER
          deletes the current buffer

      CUT
          moves selected text to a specified buffer.

      DELETE BUFFER
          deletes a specified buffer.

      GOTO BUFFER
          moves to the specified buffer.

      GOTO FILE
          moves to a buffer containing the specified file or reads
          the file into a new buffer.

      GOTO SOURCE
          moves to the source associated with the current diagnostic
          message or query item.

      INCLUDE
          inserts the specified file at the current cursor position.

      NEXT BUFFER
          moves your next buffer into the current window, returning
          to your last position in that buffer.

      PASTE
          copies the contents of a specified buffer to the current
          cursor position in the current buffer.

      PREVIOUS BUFFER
          moves your previous buffer into the current window,
          returning to your last position in that buffer.

      READ file-spec
          inputs a specified file to the current buffer.

      RECOVER BUFFER
          reconstructs the contents of a buffer from a buffer change
          journal file.

      SET DEFAULT_DIRECTORY
          changes your default device and directory specifications.

      SET DIRECTORY
          sets the default read-only/writeable status of files in
          a specified directory.

      SET FORWARD
          sets the direction of the specified buffer to forward.

      SET INDENTATION
          changes the indentation level for the current buffer.

      SET INSERT
          sets the text entry mode of the specified buffer to insert
          mode.

      SET LEFT_MARGIN
          specifies the left margin of the current buffer for FILL
          and ENTER SPACE commands.

      SET MODIFY
          sets buffer status to modifiable.

      SET NOMODIFY
          sets buffer to unmodifiable (display-only).

      SET NOSOURCE_DIRECTORY
          specifies a directory to be removed from the list of source
          directories.

      SET OUTPUT_FILE
          changes the output file associated with the current buffer.

      SET OVERSTRIKE
          sets the text entry mode of the specified buffer to overstrike
          mode.

      SET READ_ONLY
          specifies that following a COMPILE command or an exit from
          LSE, the buffer not be written to a file.

      SET REVERSE
          sets the direction of the specified buffer backward.

      SET RIGHT_MARGIN
          specifies the right margin for FILL and ENTER SPACE commands.

      SET SOURCE_DIRECTORY
          specifies a search list of source file directories.

      SET TAB_INCREMENT
          specifies the number of columns between tab stops for the
          current buffer.

      SET WRAP
          enables wrapping in the indicated buffer.

      SHOW BUFFER
          displays specified buffer characteristics.

      WRITE
          writes the contents of the specified buffer or select range
          to a specified file.