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Re: [Freedos-devel] hopes of an OS/2 clone
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From: Keith M. <kpm...@gm...> - 2011-10-31 05:13:27
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Another very important use for freedos. I found out about FreeDos when Seagate sent me a disk to update the flash in my hard drives. It booted using 32-bit Freedos! It is one of the many mundane but very important applications in the area of non-protected mode system maintenance that will benefit (or have benefited) greatly from FreeDos. Keith Mitchell On 10/31/2011 12:50 AM, Jim Michaels wrote: > by the way, if I had a cd-bootable OS/2 kind of OS, that would be > really cool!!! > it is possible you might need to come up with 2 or 3 editions, one > that runs on 8088, and one that runs on i386, and one that runs on x64. > it is becoming clear to me that this OS is catering at the very least > to older boxen and possibly some embedded systems. > > something that allows me raw access to the drives, either through bios > or through EFI or something. > it would be interesting to make raw-disk utilities... I already have > the DJGPP library for it. I implemented all of int13 disk spec, > including USB communications. it is under DJGPP's LGPL2.1 or > something like that since it uses a little DJGPP source code. you can > find the int13h disk spec at > http://www.phoenix.com/NR/rdonlyres/19FEBD17-DB40-413C-A0B1-1F3F560E222F/0/specsedd30.pdf > if you want do do your own. > > If you are going to do an OS/2 clone, I would say this: don't limit > the filesystem to a measly 8GiB if you can at all avoid this! somebody > may want to put their business or something industrial on this or do > something serious with this OS, and then they would be up a creek. > have files that can be larger than 4GiB if possible. practically all > systems are 64-bit now (ahh, but we lack a compiler). > the other alternative is to have something akin to the win32 api (or > have this in addition to BIOS access). dos apps have a mind of their > own... > > I found out a full-data+metadata-journaling filesystem such as JFS or > NTFS or ReiserFS solves the problem of trashing the filesystem and > hence the OS when you yank the power plug (or power outage). this is > why windows nt family OS's survive a crash so well I think. but when > this happens, you are surely in need of a filesystem fix, and many > people do not know to do this... Surprisingly, I was able to do this > with efs4 in ubuntu 11.10. could not do this with earlier versions. > > > ------------- > Jim Michaels > jmi...@ya... <mailto:jmi...@ya...> > JimM@JimsComputerRepairandWebDesign.com > <mailto:JimM@JimsComputerRepairandWebDesign.com> > http://JimsComputerRepairandWebDesign.com > http://JesusnJim.com (my personal site, has software) > --- > Computer memory/disk size measurements: > [KB KiB] [MB MiB] [GB GiB] [TB TiB] > [10^3B=1,000B=1KB][2^10B=1,024B=1KiB] > [10^6B=1,000,000B=1MB][2^20B=1,048,576B=1MiB] > [10^9B=1,000,000,000B=1GB][2^30B=1,073,741,824B=1GiB] > [10^12B=1,000,000,000,000B=1TB][2^40B=1,099,511,627,776B=1TiB] > Note: disk size is measured in MB, GB, or TB, not in MiB, GiB, or > TiB. computer memory (RAM) is measured in MiB and GiB. > > > > ------------------------------------------------------------------------------ > Get your Android app more play: Bring it to the BlackBerry PlayBook > in minutes. BlackBerry App World™ now supports Android™ Apps > for the BlackBerry® PlayBook™. Discover just how easy and simple > it is! http://p.sf.net/sfu/android-dev2dev > > > _______________________________________________ > Freedos-devel mailing list > Fre...@li... > https://lists.sourceforge.net/lists/listinfo/freedos-devel |