[TUHS] Early supported UNIX manual
segaloco via TUHS
tuhs at tuhs.org
Fri Dec 23 07:55:06 AEST 2022
Drat, the origin of SysIII init remains obscure...it's not in PWB 1, now not in USG Issue 2...so either PWB2, USG Issue 3 (or later) or UNIX/TS.....or maybe it's an older CB variant...anywho thank you for the quick response!
- Matt G.
------- Original Message -------
On Thursday, December 22nd, 2022 at 1:44 PM, Phil Budne <phil at ultimate.com> wrote:
> Matt G wrote:
>
> > One area of immediate curiosity for me is the init system, whether the pages suggest it is more in line with research (rc and ttys files) or TS (inittab, runlevels).
>
>
> The init (VII) page mentions /etc/rc and refers to ttys (V) which says the file
> consists of lines with three characters (enable, tty name, getty arg)
>
> getty (VII) describes behaviors for 0, -, 1, 2
>
> The one interesting bit in section (II) is lock (system call 62.) that
> implements semaphores with subfunctions lock/unlock/tlock, all of
> which take a non-negative semaphore ID called a flag.
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