On Mon, 27 Feb 2017 22:20:07 -0400, Clark Morris wrote: >When did it change to 100?
Some time between 1967 and 1970. See page 85 of http://bitsavers.trailing-edge.com/pdf/ibm/360/os/R19_Jun70/GC28-6704-0_JCL_Reference_Rel_19_Jun70.pdf for OS/360, dated June, 1970 <quote> PARM=value value consists of up to 100 characters of information or options that the system is to pass to the processing program. </quote> See also page 18 of the fifth edition of the OS/360 JCL manual, dated March, 1967, where the limit is specified as 40 characters. http://bitsavers.trailing-edge.com/pdf/ibm/360/os/R01-08/C28-6539-4_OS_JCL_Mar67.pdf -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
