Re: MIDRANGE-L Digest V1 #720

[PaulMmn <PaulMmn@xxxxxxxxxxxxx>]

>Al wrote (in part):

>Job switches aren't used very much today.  They came from the System/3 (or
>possibly before, but that's where I started).  When you submit a job, they
>can be specified specifically, or the default is to take them from the
>*JOBD.  When CL was upgraded from the System/38 to the AS/400, many
>parameters of the SBMJOB command were upgraded from *JOBD to *CURRENT, but
>the SWS parameter was not changed (as they are not used heavily).  The
>upgrading of the default parameters from *JOBD to *CURRENT simplified
>coding, but broke many programs when they were converted from S/38 mode to
>native.
>
>Al


Lessee.. the IBM/1130 had 'data switches,' that did much the same thing as
job switches.  These were a row of 16 switches that you turned on/off.

The IBM/360/20/5 had job switches.  You had to translate the switch
combination into Hex and set 4 dials on the front of the console.

And, of course, the S/3, S/38, and AS/400 still have them.

--Paul E Musselman
PaulMmn@ix.netcom.com


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