End of file: end of medium?

[BCS]

Luís Marques wrote:
> In article <e0s5nm$1rpr$1 at digitaldaemon.com>, pragma says...
> 
>>0x1A (or CTRL-Z or ASCII 26) is a holdover from CP/M, which Windows inherited
>>via DOS:
>>
>>http://blogs.msdn.com/oldnewthing/archive/2004/03/16/90448.aspx
>>
>>The 'copy' command that the article mentions works something like this:
>>
>>c:\> copy con > foobar.txt
>>
>>This will copy every keypress to the text file until you press CTRL-Z.  Its
>>actually pretty handy if you're repairing a system with a paperclip, a battery
>>and some duct-tape.
> 
> 
> That's very interesting. I use CTRL-Z in several console programs but I didn't
> know programs read that 
> as \u001A nor from where that convention came.
> 
> I still don't really grok the relationship between CTRL-[X] codes and
> ASCII/Unicode, on unix and 
> windows, but I guess that's another story.
> 
> Which also makes me wonder, if it wasn't a type afterall, what's the purpose of
> characters like \u0019. 
> The sites listing Unicode characters don't generally have much semantic
> information on them.
> 
> Luís


IIRC CTRL-[x] ends up, in ASCII, masking out a single bit from [x], I think it 
is the 64s place but I may be wrong.