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1986-05-03
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<<<=== X F E R - DOS FILE TRANSFER UTILITY ===>>>
Version 1.40, May 3, 1986
(C) 1985, 1986 J.C. Kilday Associates, Peaks Island, ME 04108
XFER is a standalone utility supporting XMODEM/CRC, XMODEM/Checksum,
and YMODEM file transfer operations at the DOS level. It is installed
on a host system and may be accessed by the caller after dropping into
DOS (through CTTY, etc.). This release, v1.40, incorporates a faster
implementation of the YMODEM file transfer protocol. The receive
routine appears to be significantly faster than that used by PCBoard
and DBBS during YMODEM uploads.
File transfer occurs to/from the default directory on the host system
or the drive/directory included in the filespec entered for the file
to be uploaded/downloaded. XFER.EXE should be located in any
directory included in the current PATH on the host system. Command
syntax is simply:
XFER [Y]
where the optional parm ("Y" or "y") if included specifies that XFER
is to be initialized for conducting YMODEM transfers only. If the Y
parm is omitted, XFER is initialized to conduct XMODEM (Checksum or
CRC) transfers only.
On start-up, XFER searches for an "active" communications port (COM1
or COM2). If the status of COM1, is DATA SET READY and CARRIER DETECT
and a speed of 300, 1200, or 2400 bps, then XFER takes over
communications at N, 8, and 1. If COM1 is not active, it checks for
an active COM2 meeting the same criteria. If neither port is active
(meaning it was started while in local mode and no communications
active), XFER exits after printing on the would-be "host" console "NO
COMM PORT ACTIVE."
If XFER is started without the Y parm, downloads use the XMODEM
variation the remote system is set for. XFER adjusts automatically.
XMODEM/CRC uploads, however, are specified by entering "U"; and
Checksum uploads by "C". Any combination of uploads and downloads may
be performed before quitting to DOS. Return to DOS is accomplished
without loss of carrier.
This package is intended for use by SYSOPS or others who have need for
operating a "host system" remotely and working at the DOS level on the
host. It facilitates file transfers directly to/from directories
which are not accessible by the host software. XFER also may be used
with simpler host software packages which allow a caller to drop to
DOS (e.g., JAXHOST2). XFER will not work in local mode.
You are free to use this package (privately or commercially) so long
as it is not included in any product or system that is sold for
profit. Feedback regarding problems (and successes, of course) with
the use of XFER are welcomed.
Jack Kilday
Northern Lights BBS
207-766-2467 (2400/1200)
CIS ID: 72307,2156