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Mike Dinolfo wrote:
>
> One method that you can use to transfer large 
> files (over 1.44 Mb) via floppy (provided that 
> the source machine is running linux) is as follows:
> 
> With the linix (or unix) command "dd" you can selectively 
> copy portions of the original file on "source" 

Linux also has a split command designed specifically
for splitting files.  Fortunately there is a version
of split that works on DOS too.  It is in make_fd.zip
(inside the main BasicLinux zip file).

Or you can simply run make_fd.bat (which will automatically
split the files and put them on two floppies.

Cheers,
Steven
 





(with each portion less than 1.44 Mb, 
> so it will fit on a floppy) and transfer the individual portions (via 
> floppy) to "target", then add the individual portions back together to 
> reconstruct a copy of the original file.
> 
> Procedure (for the sample 3.5 Mb file):
> 
> For the 3.5 MB file described above, on the source machine, type the
> following command:
> 
>    dd if=xxx.zzz bs=1k count=1400 of=x0.zzz
> 
> This command copies the initial portion of source file xxx.zzz (about 
> 1.4 Mb, slightly smaller than will fit onto a floppy) to a new file 
> called x0.zzz.  Using a floppy, transfer the x0.zzz file to the target 
> machine.
> 
> Then run
> 
>    dd if=xxx.zzz bs=1k count=1400 skip=1400 of=x1.zzz
> 
> and
> 
>    dd if=xxx.zzz bs=1k count=1400 skip=2800 of=x2.zzz
> 
> This creates two more files.  Taken together, the contents of the three 
> files you have created includes the contents of the original source 
> file; you will notice that the sum of the bytes for x0.zzz + x1.zzz + 
> x2.zzz equals the byte total for the original (still intact) xxx.zzz file.
> 
> (Of course, this method is described for a 3.5 Mb source file.  If your 
> source file is larger or smaller, additional or fewer "chunk" files will 
> result.)
> 
> Continuing...
> 
> Just like you did for the x0.zzz file, move a copy of the x1.zzz and 
> x2.zzz file to the target machine.
> 
> Then, on the target linix machine, enter the following commands:
> 
> cat x0.zzz > xxx.zzz
> cat x1.zzz >> xxx.zzz
> cat x2.zzz >> xxx.zzz
> 
> And you will have reconstructed the original xxx.zzz file on the target 
> machine.
> 
> If the target machine is running DOS, the file can similarly be 
> reconstructed using
> 
> copy x0.zzz /b + x1.zzz /b + x2.zzz /b xxx.zzz
> 
> This procedure can be extended to any large file.
> 
> > 
> > I have heard that there is a way to format a floppy drive for linux 
> > so that it can hold a lot more data than just 1.44 M.
> > 
> > I haven't yet learned how to copy stuff from my hard drive to my 
> > ramdrive.  I haven't yet even tried to learn how do that.  I'm 
> > afraid to try it without knowing what I'm doing.  I sure don't want
> > to mess up my hard drive.
> > 
> > 
> >>Kermit also telnets and ftps and does file transfers and fetches files 
> >>from the web and maybe other tricks as well. I use it to read Russian 
> >>online after loading a VGA screen font.  Type 'reset' after exiting 
> >>kermit 
> >>or less won't display anything at all. 
> >>
> >>kermit (you get a prompt)
> >>then, to dial:
> >>set line /dev/ttyS1                 for com2
> >>set speed 115200            for a modem at least 28K
> >>dial 2345678                        the phone number
> >>
> >>C to connect; Ctl-\, C to get back to kermit.
> >>
> >>Or instead of dialing, type ftp or telnet and the URL to go to.
> >>
> > 
> > Thanks for the info.  I have heard that Kermit is a fine program.  I have 
> > never yet tried to run any version of it.
> > 
> > Sam Heywood 
> > -- Message handled by BasicLinux, v. 2.1 
> > -- See "http://www.ibiblio.org/pub/linux/distributions/baslinux/";
> > 
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> > 
> > 
> 
> 
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