WFILE (command)

@WFILE ,, ,  Transfer an extent from user's virtual memory to one or more random blocks in a file.
 *  : (octal) logical device number from the @OPEN-FILE or @CONNECT-FILE command.
 * : (octal) starying address of memory record location (default = 0).
 *  : (octal) number of destination file block (default = 0, -1 = write next block).
 *  : (octal) length of the extent.

Rules:
 * 1) permitted for all users.
 * 2) May also be used on communication channels.
 * 3) Default block size is 256 (decimal).

Example:

@WFILE 101, 400,0, 1000

Write 1000 (octal) words to block 0 of file 101 (octal) from memory address 400 (octal).