Operating systems of the 1970s handling dates beyond the year 2000
Johnny Billquist
bqt at update.uu.se
Mon Jan 19 07:04:47 CST 2015
On 2015-01-19 04:51, J. David Bryan wrote:
> On Sunday, January 18, 2015 at 20:04, Mark Longridge wrote:
>
>> So, did any operating system programmers from this time period have
>> the foresight to use 4 digits for the year?
>
> It's just outside of your time frame (circa 1980), but the HP 64000
> operating system allowed years up to 2157 (dates were stored as the number
> of days since January 1, 1976) and accepted years of either two or four
> digits. Unusually for an American product, it required dates to be entered
> in D/M/Y format.
I think pretty much all DEC OSes normally used dd-mmm-yy, but some of
them could accept input in various format.
Johnny
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at softjar.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
More information about the cctech
mailing list