On Tue, Feb 1, 2022 at 1:22 AM Huw Davies via cctalk <cctalk@classiccmp.org> wrote:
> > > > On 1 Feb 2022, at 09:42, cctalk@classiccmp.org wrote: > > > > A somewhat broader search found the 1984 RT-11 System Release Notes with > the following: > > > > > > > > 1.4.2.4 Logical Disk Subsetting Handler (LD) - The logical disk > subsetting handler lets you define logical disks, which are subsets of > physical disks. You define logical disks by assigning a logical disk unit > number to a file on a physical disk. You can then use the logical disk as > though it were a physical disk. > > > > AA-5286F-TC-T1_RT-11_System_Release_Notes_Jul84.pdf (bitsavers.org) < > http://www.bitsavers.org/pdf/dec/pdp11/rt11/v5.1_Jul84/AA-5286F-TC-T1_RT-11_System_Release_Notes_Jul84.pdf> > p15/102 > > > > > > > > Suggests DEC had not yet adopted the term “partition” for a segment of a > disk > > From > http://bitsavers.org/pdf/dec/pdp11/ultrix-11/2.0/AE-X370C-TC_ULTRIX-11_2.0SPD_Sep84.pdf > < > http://bitsavers.org/pdf/dec/pdp11/ultrix-11/2.0/AE-X370C-TC_ULTRIX-11_2.0SPD_Sep84.pdf> > it seems that at least one part of Digital used partitions as we now know > it in September 1984. I wonder if AT&T Unix Seventh edition also called > them partitions? > Unix has called these "pseudo-disks" in Unix 4th edition through the 7th edition, at least in their driver man pages. The 6th and 7th edition setup guides, however, have this in them: The big disk drivers (rp.c and hp.c) have partition tables in them which you may want to experiment with. which dates from March, 1975 and seems to be in /usr/start/start in the distributions. Warner
