can unix run on a pc? war. Post: 5449

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Top Forums UNIX for Dummies Questions & Answers can unix run on a pc? war. Post 5449 by LivinFree on Wednesday 15th of August 2001 01:24:33 AM

08-15-2001

Registered User

Unix as an operating system does not exist. As Neo states so well, it's an architectural design - a style. Linux, Solaris, HP-UX, BSD, SCO... they're all "Unix". And yes, you can run different 'types' of Unix on the same machine.

Also, the "original" UNIX was slow, cumbersome (you had to reboot the system before you could use a newly created directory), and underdeveloped. That was in 1969. Now, the various Unices comprise a giant chunk of the world's high-end servers, and is even making headway in the desktop world. It has become one of the most advanced, powerful, flexible, and stable operating system in the world.

P.S. - The first development efforts at Bell Labs in 1969 were on a PDP-7 computer... far from 64-bit. It had an 18 bit word space. Wierd, wild stuff, man!

LivinFree

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LEARN ABOUT DEBIAN

runit-init

runit-init(8)						      System Manager's Manual						     runit-init(8)

NAME

       init - a UNIX process no 1

SYNOPSIS

       init [ 0 | 6 ]

DESCRIPTION

       runit-init is the first process the kernel starts.  If runit-init is started as process no 1, it runs and replaces itself with runit(8).

       If runit-init is started while the system is up, it must be either called as init 0 or init 6:

       init 0 tells  the  Unix	process  no 1 to shutdown and halt the system.	To signal runit(8) the system halt request, runit-init removes all
	      permissions of the file /etc/runit/reboot (chmod 0), and sets the execute by owner permission of the file  /etc/runit/stopit  (chmod
	      100).  Then a CONT signal is sent to runit(8).

       init 6 tells  the  Unix	process no 1 to shutdown and reboot the system.  To signal runit(8) the system reboot request, runit-init sets the
	      execute by owner permission of the files /etc/runit/reboot and /etc/runit/stopit	(chmod	100).  Then  a	CONT  signal  is  sent	to
	      runit(8).

EXIT CODES

       runit-init returns 111 on error, 0 in all other cases.

SEE ALSO

       runit(8), runsvdir(8), runsvchdir(8), sv(8), runsv(8), chpst(8), utmpset(8), svlogd(8)

       http://smarden.org/runit/

AUTHOR

       Gerrit Pape <pape@smarden.org>

																     runit-init(8)