Re: Looking for historical source of the ex/vi editor

In article <vj4po7$fvi$1@panix2.panix.com>,
Scott Dorsey <kludge@panix.com> wrote:

Sebastian  <sebastian@here.com.invalid> wrote:

If you SSH to 3b2@sdf.org, you can find your way into an emulated
PDP-11 running System V. It has some version of vi installed,
with source code. It's possible to extract this code from the
system by first porting uuencode to it, and then porting a
version of tar that you can also run someplace else. The tar
that's installed on the system is not compatible with modern tars,
nor is it compatible with V7 tar.

>
Something is wrong here.  A PDP-11 running SysV?  And with the uid "3b2"
also?  And this isn't an AT&T 3B2 running SysV?

The earliest versions of System V (e.g., Unix 4 and SVR1) ran on
the PDP-11.

The above is correct; logging into `3b2@sdf.org` puts one into a
captive menu environment, and one of the options there is to
connect to an emulated PDP-11 running SysV; a new instance will
start if you select that menu option.  Then you can, `boot rp0`
and `0unix` (this will display as `0=unix`).

- Dan C.