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Full Discussion: Installing Ubuntu To Single User Account?
Top Forums UNIX for Dummies Questions & Answers Installing Ubuntu To Single User Account? Post 302107363 by Calum on Friday 16th of February 2007 09:05:55 AM
Old 02-16-2007
it's not reserved for linux. in fact as you say very few systems are actually Unix nowadays, however many systems are Unix based. Solaris, AIX, HP-UX and BSD were all based on Unix, which i believe was originally distributed as source code anyway, so binary compatibility for Unix could be considered to be irrelevant. BSD has since been rewritten (in that all the parts have been implemented from scratch) under the direction of the University of California i believe, this was deliberately so that it could not be said that there were any parts of Unix within BSD, for copyright reasons.

Stallman set up the FSF to produce an entire system (called GNU) which would be the same in function, but not implementation, to Unix. A lot of GNU software is now included in BSD and linux distributions, however i am not aware that GNU software (software from the FSF and its contributors) is part of the distributions from Solaris, HP, IBM et cetera.

Distributions containing GNU software can be described as eg: Debian GNU/Linux or whatever. In short, you can call it GNU if it contains FSF software. Stallman considers Linux distros to be GNU distros because, while utilising the Linux kernel, which is released under the FSF's own GNU GPL licence, along with added FSF GNU software, Linux distros realise Stallman's dream of a GNU system containing no proprietary Unix code.

This is why the term "GNU" is mainly applied to Linux systems, because most other Unix style systems do not contain GNU software.
Last edited by Calum; 02-16-2007 at 10:15 AM..
 

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LEARN ABOUT CENTOS

gcore

GCORE(1)						       GNU Development Tools							  GCORE(1)

NAME

       gcore - Generate a core file of a running program

SYNOPSIS

       gcore [-o filename] pid

DESCRIPTION

       Generate a core dump of a running program with process ID pid.  Produced file is equivalent to a kernel produced core file as if the
       process crashed (and if "ulimit -c" were used to set up an appropriate core dump limit).  Unlike after a crash, after gcore the program
       remains running without any change.

OPTIONS

       -o filename
	   The optional argument filename specifies the file name where to put the core dump.  If not specified, the file name defaults to
	   core.pid, where pid is the running program process ID.

SEE ALSO

       The full documentation for GDB is maintained as a Texinfo manual.  If the "info" and "gdb" programs and GDB's Texinfo documentation are
       properly installed at your site, the command

	       info gdb

       should give you access to the complete manual.

       Using GDB: A Guide to the GNU Source-Level Debugger, Richard M. Stallman and Roland H. Pesch, July 1991.

COPYRIGHT

       Copyright (c) 1988-2013 Free Software Foundation, Inc.

       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or
       any later version published by the Free Software Foundation; with the Invariant Sections being "Free Software" and "Free Software Needs
       Free Documentation", with the Front-Cover Texts being "A GNU Manual," and with the Back-Cover Texts as in (a) below.

       (a) The FSF's Back-Cover Text is: "You are free to copy and modify this GNU Manual.  Buying copies from GNU Press supports the FSF in
       developing GNU and promoting software freedom."

gdb-Red Hat Enterprise Linux 7.6.1-51.el7			    2014-06-10								  GCORE(1)
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