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Full Discussion: Mac OSX vs. UNIX
Top Forums UNIX for Dummies Questions & Answers Mac OSX vs. UNIX Post 2909 by Neo on Friday 8th of June 2001 09:03:42 PM
Old 06-08-2001
CPU & Memory Links in this thread/post

Mac OS X (Ten) has been out in production for about 4 months, so Apple says. Here is a link to a post that will have more pointers to Apple pages and Apple analysis:<P>

http://forums.unix.com/showthread.php?threadid=908
<P>

Basically, OS X is a evolutionary kernel from the MACH and BSD linage. According to Apple, they plan to migrate all apps to this kernel, over time. Earlier kernel (OS 9) non-UNIX runs as well, but it is not yet clear to me if the OS9 kernel space is a UNIX process or partitioned closer to the CPU. When I run a PS command in the OSX environment, I do not see any OS9 processes (even when I have OS9 processes on the desktop).

To be honest, I don't have time to fully study this as of yet; but plan to! If someone else has the time to read about OSX, please do so and give us a tech summary, thanks Smilie Here is a link to the <A HREF=http://developer.apple.com/macosx/>MAC OS X Developer Site</A><P>

Here is the: <A HREF=http://www.opensource.apple.com/ps-faq.html>DARWIN and Apple Open Source FAQ</A>. <P>

Also, here is a link to <A HREF=http://developer.apple.com/techpubs/macosx/macosx.html>The Apple OS X Developers Documentation</A> with tons of information.
 

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CPMAC(1)						    BSD General Commands Manual 						  CPMAC(1)

NAME
/usr/bin/CpMac -- copy files preserving metadata and forks SYNOPSIS
/usr/bin/CpMac [-rp] [-mac] source target /usr/bin/CpMac [-rp] [-mac] source ... directory DESCRIPTION
In its first form, the /usr/bin/CpMac utility copies the contents of the file named by the source operand to the destination path named by the target operand. This form is assumed when the last operand does not name an already existing directory. In its second form, /usr/bin/CpMac copies each file named by a source operand to a destination directory named by the directory operand. The destination path for each operand is the pathname produced by the concatenation of the last operand, a slash, and the final pathname compo- nent of the named file. The following options are available: -r If source designates a directory, /usr/bin/CpMac copies the directory and the entire subtree connected at that point. This option also causes symbolic links to be copied, rather than indirected through, and for /usr/bin/CpMac to create special files rather than copying them as normal files. Created directories have the same mode as the corresponding source directory, unmodified by the process' umask. -p Causes /usr/bin/CpMac to preserve in the copy as many of the modification time, access time, file flags, file mode, user ID, and group ID as allowed by permissions. -mac Allows use of HFS-style paths for both source and target. Path elements must be separated by colons, and the path must begin with a volume name or a colon (to designate current directory). NOTES
The /usr/bin/CpMac command does not support the same options as the POSIX cp command, and is much less flexible in its operands. It cannot be used as a direct substitute for cp in scripts. As of Mac OS X 10.4, the cp command preserves metadata and resource forks of files on Extended HFS volumes, so it can be used in place of CpMac. The /usr/bin/CpMac command will be deprecated in future versions of Mac OS X. SEE ALSO
cp(1) MvMac(1) Mac OS X April 12, 2004 Mac OS X
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