Jnc: Link PDP-11 Unix overlays

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Link PDP-11 Unix overlays

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	'''UNIX V7M-11''' (the official name; it is usually referred to as '''V7M''', '''Unix/v7m''', etc) was [[Digital Equipment Corporation\|DEC]]'s first official [[UNIX]]. It was an "enhanced and modified version of" [[UNIX V7]], for [[PDP-11]] machines.		'''UNIX V7M-11''' (the official name; it is usually referred to as '''V7M''', '''Unix/v7m''', etc) was [[Digital Equipment Corporation\|DEC]]'s first official [[UNIX]]. It was an "enhanced and modified version of" [[UNIX V7]], for [[PDP-11]] machines.

	The primary changes/enhancements in V7M were [[device driver]]s for the then-full range of DEC devices (see the "Unix/v7m Release 2.1 - Software Description", below, for a full list), support for [[~~overlay~~]]s, and "significant work for hardware error recovery". "Much work was put into producing a release that would reliably bootstrap from many tape drives or disk drives".		The primary changes/enhancements in V7M were [[device driver]]s for the then-full range of DEC devices (see the "Unix/v7m Release 2.1 - Software Description", below, for a full list), support for [[PDP-11 Unix overlays\|overlays]], and "significant work for hardware error recovery". "Much work was put into producing a release that would reliably bootstrap from many tape drives or disk drives".

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{{Infobox OS

| name = UNIX V7M-11
| creator = [[Digital Equipment Corporation]] enhancements to [[Bell Laboratories]] original
| year introduced = 1981
| type = Multi-tasking, multi-user Unix
| architecture = [[PDP-11]]
}}

'''UNIX V7M-11''' (the official name; it is usually referred to as '''V7M''', '''Unix/v7m''', etc) was [[Digital Equipment Corporation|DEC]]'s first official [[UNIX]]. It was an "enhanced and modified version of" [[UNIX V7]], for [[PDP-11]] machines.

The primary changes/enhancements in V7M were [[device driver]]s for the then-full range of DEC devices (see the "Unix/v7m Release 2.1 - Software Description", below, for a full list), support for [[overlay]]s, and "significant work for hardware error recovery". "Much work was put into producing a release that would reliably bootstrap from many tape drives or disk drives".



==External links==

* [https://bitsavers.org/pdf/dec/pdp11/ultrix-11/V7M-11_Brochure_1983.pdf ULTRIX Software Family V7M-11] - DEC sales brochure
* [https://bitsavers.org/pdf/dec/pdp11/ultrix-11/Unix_V7M_Release_2.1_Software_Description_Sep81.pdf Unix/v7m Release 2.1 - Software Description]
* [https://www.tuhs.org/Archive/Distributions/DEC/ DEC] - various DEC UNIX distros
** [https://www.tuhs.org/Archive/Distributions/DEC/Jean_Huens_v7m/ Release 2.1] (includes source code)
* [https://www.tuhs.org/cgi-bin/utree.pl?file=V7M V7M] - individual files from the above
** [https://www.tuhs.org/cgi-bin/utree.pl?file=V7M/src/cmd/covld/README README] - "the C overlay loader"
* [http://www.cosam.org/computers/dec/pdp11-23/20080426.html Installing Unix V7M: Part I]

{{Nav Unix}}

[[Category: PDP-11 Operating Systems]]
[[Category: DEC Operating Systems]]
[[Category: Unix-based OS's]]
[[Category: ULTRIX]]

UNIX V7M-11 - Revision history

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