05-03-2009
Referring to squosl's post (and going somewhat OT here to correct a misconception or two):
One is better served not to refer to any Mac OS version released prior to 5 September 2000 as 'OS X'. The facts are as follows:
* OS X 10 Public Beta (Fall of 2000) - marketed even though Steve Jobs wasn't "completely satisfied" with how it looked or ran;
* OS 8, 8.1, 8.5 9.0, 9.0.1 (everywhere but USA) 9.0.4, 9.1 -
Not versions of OS X -- based on the original Mac 'classic' core as modified for E-RISC Macs in the years 1994 and 1995;
*
Every Mac OS version since 1 April 2001 has been a Mac OS X, including the pared-down builds on the iPhone, development of which delayed the release of Mac OS X 10.5 Leopard (say it with me: "Steve, you're such a perfectionist!"
).
BZT
Quote:
Originally Posted by
squosl
I adminstrated a handful of OSX servers a few years ago, OSX 8 I think. Structurally, OSX feels a lot like any other BSD variant. The problem I had is that apple inserted a layer of abstraction to make the GUI work with the system utilities, and it was easy to make changes to the system from the command line that wouldn't show up in the GUI and created interesting states after reboot. Networking and server startup/reset, IIRC, were especially "creative". There's a whole bunch of commandline utilities that are supposed to automagicallly update all the differenct configuration files to keep the GUI happy, but I don't remember what they are right now.
If you need an OS to play around with for your class, I would suggest a BSD or linux.
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LEARN ABOUT MOJAVE
scselect
SCSELECT(8) BSD System Manager's Manual SCSELECT(8)
NAME
scselect -- Select system configuration "location"
SYNOPSIS
scselect [-n] [new-location-name]
DESCRIPTION
scselect provides access to the system configuration sets, commonly referred to as "locations". When invoked with no arguments, scselect
displays the names and associated identifiers for each defined "location" and indicates which is currently active. scselect also allows the
user to select or change the active "location" by specifying its name or identifier. Changing the "location" causes an immediate system re-
configuration, unless the -n option is supplied.
At present, the majority of preferences associated with a "location" relate to the system's network configuration.
The command line options are as follows:
-n Delay changing the system's "location" until the next system boot (or the next time that the system configuration preferences are
changed).
new-location-name
If not specified, a list of the available "location" names and associated identifiers will be reported on standard output. If specified,
this argument is matched with the "location" names and identifiers and the matching set is activated.
SEE ALSO
configd(8)
HISTORY
The scselect command appeared in Mac OS X Public Beta.
Mac OS X November 4, 2003 Mac OS X