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Date:      Thu, 9 Mar 2023 15:55:48 +0000 (UTC)
From:      doug@safeport.com
To:        questions@freebsd.org
Subject:   Re: problem while moving HOME from FreeBSD to MacOS with bsdtar
Message-ID:  <fee441c3-4c1-277-4778-3f8b449459a2@safeport.com>
In-Reply-To: <EA0D2516-CA57-4527-9814-5AC100B1216E@nxg.name>
References:  <ZAmOIFc5TLj27kEz@c720-r368166> <20230309081835.afddc78d57a7f25b8f92b9aa@sohara.org> <20230309084125.GA9@sh4-5.1blu.de> <ZAmoEyCwwOq0mCXd@Peters-Air> <20230309095204.GC9@sh4-5.1blu.de> <EA0D2516-CA57-4527-9814-5AC100B1216E@nxg.name>

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On Thu, 9 Mar 2023, Norman Gray wrote:

>
> Matthias, hello.
>
> On 9 Mar 2023, at 9:52, Matthias Apitz wrote:
>
>> You're fully correct. There are two directory entries, but both point to
>>  the same inode and data blocks:
>>
>>  $ ls -li Homework HOMEWORK
>>  4016236 -rw-r--r--  1 apitzm  OCLC\Domain Users  0  9 M?r 09:37 HOMEWORK
>>  4016236 -rw-r--r--  1 apitzm  OCLC\Domain Users  0  9 M?r 09:37 Homework
>>
>
> No, there's only one directory entry, but you're listing it twice:
>
> % ls
> Homework
> % ls -li
> total 0
> 32687651 -rw-r--r--  1 norman  wheel  0  9 Mar 09:59 Homework
> % ls -li Homework HOMEWORK
> 32687651 -rw-r--r--  1 norman  wheel  0  9 Mar 09:59 HOMEWORK
> 32687651 -rw-r--r--  1 norman  wheel  0  9 Mar 09:59 Homework
> % ls -li Homework homework HOMEWORK hOmEwOrK
> 32687651 -rw-r--r--  1 norman  wheel  0  9 Mar 09:59 HOMEWORK
> 32687651 -rw-r--r--  1 norman  wheel  0  9 Mar 09:59 Homework
> 32687651 -rw-r--r--  1 norman  wheel  0  9 Mar 09:59 hOmEwOrK
> 32687651 -rw-r--r--  1 norman  wheel  0  9 Mar 09:59 homework
>
>> What is this for a file system idea? I will check, if I can modify this
>> without reinstallation of the complete system.
>
> It's just case-insensitive -- a particular design choice.
>
> You can create new filesystems in the APFS container, either with Disk 
> Utility or with diskutil, and that's occasionally useful (as I mentioned, 
> Nix on macOS is installed in a case-sensitive volume). I don't _think_ 
> you can change the 'personality' of an existing volume, though, and if 
> you were to try to install macOS on a non-standard filesystem (and if you 
> were to achieve that) I suspect the OS would break entertainingly. Best 
> wishes,

I'm one of these [fill in appropriate adjective] guys that uses a native
FreeBSD workstation and my partner uses Mac. My experience is that using
xterm with tcsh I can ssh into the Mac and pretty much do anything I need
to do with my userid on the Mac. On the Mac the file system names are case
sensitive with liberal use of blanks. In my experience I have seen no
difference between Mac tar and FreeBSD.

The mail thing sorta sounded like that was in mbox format, I did not see if 
that was mentioned. imapsync will move email in any format from machine to 
machine. Large volumes across the internet will take a while.




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