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-
- ZCOPY.COM
- Command
-
- Bob Flanders
- 1989 No. 4 (Utilities)
-
-
- Purpose: Transfers files at high speed, via a serial link, between
- machines that do not share a common disk format.
-
- Format: ZCOPY source [target] [/w][/n][/u][/o][/a][/p][/d]
-
- Remarks: The two machines must be IBM-compatible and must be connected by
- a standard "null modem" cable. ZCOPY is executed, with appropriate parameters,
- on both machines; a 30-second (default) connect timeout is provided.
-
- On the sending machine both a source (filename plus any needed drive and
- path) and a target (COM1 or COM2) must be specified. ZCOPY supports the * and ?
- DOS filename "wildcards," but it does not permit renaming files during transfer.
- On the receiving machine the source is COM1 or COM2, and the target, if
- specified, must be a directory path. (Any needed subdirectories must be created
- on the receiving machine before using ZCOPY.)
-
- The optional /w and /n switches operate before connection is
- established, and so are entered on the ZCOPY command line of each machine. The
- /w parameter prolongs the default connection timeout indefinitely; it can be
- cancelled with Ctrl-Break. The /n parameter sets the highest bit-per-second
- (bps) rate at which ZCOPY will attempt to transfer data. If used, it must be
- the same on both machines. The default is /1 (115 kbps). Other acceptable
- values are /2 through /6 (57.6 kbps, 38.4 kbps, 19.2 kbps, 9600 kbps, and 4800
- kbps, respectively). If ZCOPY cannot maintain error-free transfer at a given
- transfer rate, it automatically steps down to the next lower speed.
-
- The other optional parameters may be entered on either machine's ZCOPY
- command line. The /u (Update) switch permits overwriting same-named files on
- the receiving machine without operator confirmation if the source file is more
- recent. The /o (Overwrite) switch suppresses the confirmation prompt for all
- files. By default, when ZCOPY receives a disk-full signal, before aborting it
- tries to find a smaller selected source file that will fit on the receiving
- disk. The /a (Abort on Full) aborts at the first disk-full indication. The /p
- (Pause) switch creates a pause before the transfer operation begins after the
- connection between machines has been made, permitting changing a disk. The /d
- option changes the date of a received file to that of the receiving machine.
-
-
- NULL MODEM CABLE:
-
- The null modem cable must have the following configuration:
-
- 1st Machine 2nd Machine
- ----------- -----------
- PIN PIN
- 2 <---------------> 3
- 3 <---------------> 2
- 7 <---------------> 7
-
- All other leads are optional and are not used by ZCOPY.