BSD-Windows

Thu Dec 18 18:33:56 MST 2014

Here is what Wikipedia saya:

86-DOS (which imitated CP/M) was purchased by Microsoft
<http://en.m.wikipedia.org/wiki/Microsoft> and developed further as MS-DOS
<http://en.m.wikipedia.org/wiki/MS-DOS> and PC DOS
<http://en.m.wikipedia.org/wiki/PC_DOS>. Microsoft first licensed,[6]
<http://en.m.wikipedia.org/wiki/PC_DOS#cite_note-86DOS_license-6> then
purchased[7] <http://en.m.wikipedia.org/wiki/PC_DOS#cite_note-86DOS_sale-7>
86-DOS <http://en.m.wikipedia.org/wiki/86-DOS> from Seattle Computer
Products <http://en.m.wikipedia.org/wiki/Seattle_Computer_Products> (SCP),
which was modified for the IBM PC by Microsoft employee Bob O'Rear
<http://en.m.wikipedia.org/wiki/Bob_O%27Rear> with assistance from SCP
(later Microsoft) employee Tim Paterson
<http://en.m.wikipedia.org/wiki/Tim_Paterson>.[8]
<http://en.m.wikipedia.org/wiki/PC_DOS#cite_note-DosMan-8>O'Rear got 86-DOS
to run on the prototype PC in February 1981. 86-DOS had to be converted
from 8-inch to 5.25-inch floppy disks
<http://en.m.wikipedia.org/wiki/Floppy_disks> and integrated with the BIOS
<http://en.m.wikipedia.org/wiki/BIOS>, which Microsoft was helping IBM to
write.[9] <http://en.m.wikipedia.org/wiki/PC_DOS#cite_note-Ref-2-9> IBM had
more people writing requirements for the computer than Microsoft had
writing code. O'Rear often felt overwhelmed by the number of people he had
to deal with at the ESD (Entry Systems Division) facility in Boca Raton
<http://en.m.wikipedia.org/wiki/Boca_Raton>. 86-DOS was rebranded
<http://en.m.wikipedia.org/wiki/Rebranded> IBM PC DOS 1.0 for its August
1981 release with the IBM PC.

look here: it says here that (like linux) windows started out "inspired" by
unix

Later, a group of Microsoft programmers (primarily Paul Allen
<http://en.m.wikipedia.org/wiki/Paul_Allen>, Mark Zbikowski
<http://en.m.wikipedia.org/wiki/Mark_Zbikowski> and Aaron Reynolds)[9]
<http://en.m.wikipedia.org/wiki/PC_DOS#cite_note-Ref-2-9> began work on PC
DOS 2.0. Completely rewritten from the ground up, DOS 2.0 added
subdirectories and hard disk support for the new IBM XT
<http://en.m.wikipedia.org/wiki/IBM_Personal_Computer_XT>, which debuted in
March 1983. A new 9-sector format bumped the capacity of floppy disks to
360 kB. The Unix <http://en.m.wikipedia.org/wiki/Unix>-inspired kernel
featured file handles <http://en.m.wikipedia.org/wiki/File_handle> in place
of the CP/M-derivative file control blocks and loadable device drivers
could now be used for adding hardware beyond what the IBM PC BIOS
supported.

PC-DOS remained a rebranded version of MS DOS until 1993 when IBM and
Microsoft parted ways.

sources:

http://en.m.wikipedia.org/wiki/PC_DOS

http://en.m.wikipedia.org/wiki/86-DOS

kinda interesting reading for a rainy day

:-)~MIKE~(-:

On Thu, Dec 18, 2014 at 12:03 PM, Todd Millecam <tyggna at gmail.com> wrote:
>
>
> http://clusterize.net/wp-content/uploads/2009/08/Unix_history-simple_20021.png
>  Gives a good visual history of the *nix OSes and what they're derived from.
>
>
>
> On Thu, Dec 18, 2014 at 11:57 AM, Michael Havens <bmike1 at gmail.com> wrote:
>>
>> I was before 9yo (assuming 1980)
>>
>> :-)~MIKE~(-:
>>
>> On Thu, Dec 18, 2014 at 11:49 AM, koder <iscreamkid at gmail.com> wrote:
>>>
>>>  DOS was purchased by Gates from another developer who seems to have
>>> derived it from CP/M
>>>
>>> IBM bought DOS from gates before he even owned it, thus establishing a
>>> pattern of vaporware that persists even today in the Microsoft marketing
>>> system.
>>>
>>> IBM bought DOS from Gates because the owner of DR-DOS decided he would
>>> prefer to be flying his plane than talk to a bunch of establishment white
>>> shirts from IBM.
>>>
>>> Both Gates and Jobs saw the first GUI at Xerox PARC.
>>>
>>> Jobs saw it first and had the first version on the streets.
>>>
>>> When Gates put out Win1.0 ther5e ws a very loud pissing contest and
>>> court suits, that Microsoft won establishing the standard that you can't
>>> copyright the look and feel of an operating system. This gives us X-Windows.
>>>
>>> The animosity lasted as long as Jobs was alive, alth9ugh they looked
>>> like they had grudgingly kissed and made up at their last public appearance.
>>>
>>> Ancient history long before many of you were born.
>>>
>>>
>>>
>>> On 12/18/2014 11:34 AM, Stephen Partington wrote:
>>>
>>> This is a rather simple answer for a look on story.
>>>
>>> http://en.m.wikipedia.org/wiki/GNU
>>> http://en.m.wikipedia.org/wiki/History_of_Microsoft_Windows
>>>  On Dec 18, 2014 11:29 AM, "Michael Havens" <bmike1 at gmail.com> wrote:
>>>
>>>> Linux is built off of GNU. What is BSD built off of? And then there is
>>>> Windows. I heard that Windows was built off of Unix. If that is the case
>>>> was no one paying attention to copyright laws?
>>>>  :-)~MIKE~(-:
>>>>
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>
> --
> Todd Millecam
>
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