[Freedos-user] Re : Freedos-user Digest, Vol 581, Issue 2

2012-01-30 Thread Bertho Grandpied
Jeffrey ellsnjel@ao... wrote:

 Are there any plans for adding a shell escape character(like \ in UNIX) 
in FreeCOM?

Left to be answered by those in the know...

 If so, what character would be a suitable candidate?

If so, I think compatibility to 4DOS should be considered.
FYI and IIRC, 4DOS uses the Control-X combo (prints as an up-arrow). 

You might consider using 4DOS 8 as a direct replacement for FreeCOM.

Hth

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Re: [Freedos-user] Escape character (reposted)

2012-01-30 Thread Bertho Grandpied
Reposting, reason : corrected Subject line. Apologies for my previous mistake, 
and for any inconvenience caused by double-mailing.

Jeffrey ellsnjel@.. wrote:

 Are there any plans for adding a shell escape character(like \ in UNIX) 
in FreeCOM?

Left to be answered by those in the know...

 If so, what character would be a suitable candidate?

If so, I think compatibility to 4DOS should be considered.
FYI and IIRC, 4DOS uses the Control-X combo (prints as an up-arrow). 

You might also consider using 4DOS 8 as a direct replacement for FreeCOM.


Hth




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Re: [Freedos-user] USB/ASPI to DOS, 4K sectors.

2012-01-30 Thread BretJ


Eric Auer-3 wrote:
 
 ...
 I find it a very good idea in USB drivers to support the ASPI API so other
 drivers and client apps can use
 that to access the drives in question :-)
 

I disagree.  ASPI and INT 13h are essentially competitive technologies, not
complementary.  If a disk can be accessed via one of the two methods, the
other method isn't (or at least shouldn't be) necessary.  Implementing both
methods for the same disk is a waste of resources.

However, in the particular case of DOS, I think the preferred method, by
far, is INT 13h (at least in the case of DASD/hard/flash drives).  There
simply aren't very many ASPI utilities for DOS, and likely never will be. 
All of the common low-level DOS utilities that everyone is already
familiar with (FDISK, NTFS drivers, caching programs like UIDE and LBACACHE,
etc.) require INT 13h.


Eric Auer-3 wrote:
 
 Once an ASPI to block device driver is loaded, FORMAT should work as
 well. As said, no free open driver for the ASPI to block connection exists
 yet, but it seems to have relatively low complexity.
 

I think that's true for high-level formats (the kind done by FORMAT). 
Low-level formats, though rarely needed these days, do require INT 13h or an
ASPI-specific utility.

At least in DOS, I don't see where any value is created by adding an ASPI
interface if an INT 13h interface already exists.  The reverse is not true,
however.
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