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Groups > alt.comp.os.windows-11 > #18063

Re: what is the fastest command line copy?

From T <T@invalid.invalid>
Newsgroups alt.comp.os.windows-11
Subject Re: what is the fastest command line copy?
Date 2025-03-29 17:49 -0700
Organization A noiseless patient Spider
Message-ID <vsa4e3$2hf7m$1@dont-email.me> (permalink)
References <vsa1o9$2hf7l$1@dont-email.me> <vsa442$2msgk$1@dont-email.me>

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On 3/29/25 5:43 PM, Paul wrote:
> On Sat, 3/29/2025 8:03 PM, T wrote:
>> Hi All,
>>
>> It use to be robo copy for a mass copy of a
>> directory.  Does that still exist?  Or is
>> there something better?
>>
>> Many thanks,
>> -T
>>
> 
> Robocopy is a standard part of the OS now, and is maintained.
> 
> It started out as a hobby project.
> 
> D:\ robocopy /?            <=== start a Command Prompt, use this format, for *full* help
> 
> -------------------------------------------------------------------------------
>     ROBOCOPY     ::     Robust File Copy for Windows
> -------------------------------------------------------------------------------
> 
> It's still there.
> 
> For a data directory in your own homedir, it would do
> a good job. There can be other scenarios were I would
> not recommend this approach. But a simple data directory,
> there are going to be a ton of approaches that would
> work. And robocopy has more than the normal number
> of switches, on the command line.
> 
> I am not aware of a windows utility, that can tell you
> how "close" two structures are to one another. Most of the
> time, the differences after a copy, are in the security
> dimension. For example, if the copied tree relies on
> "inheritance" of a permission from a structure above
> itself, you would need for the copy routine to "convert"
> the security settings so they no longer relied on
> inheritance.
> 
> And this is one way we tell "pros" at IT work, from
> wannabies. It's their treatment and understanding
> of permissions. When they quote you a recipe for a
> piece of work, you will spot commands that expose
> their knowledge of security. "I smash the permissions
> then I put the permissions back." That's the part of
> one of their scripts, that stands out from a script
> someone in this group would write as a lark. Like
> if I write you a script, it says "copy a b" and I
> pretend that's the only work required :-) But that
> might not always be sufficient for you to get
> your "cert". The security settings could be
> "quite wrong", depending on how careless you are.
> 
> On Linux, we do "cp -Rp a b", and at least that
> command has a "preserve" option. Robocopy has that
> too. It's a start. Note - the following command
> used to be used on two FAT32 devices, to give some
> idea how long ago I was using this, and the COPYALL
> isn't really meant for FAT32 anyway.
> 
> robocopy Y:\ F:\ /mir /COPYALL /dcopy:t /XJ /r:3 /w:2 /zb /np /tee /v /log:robocopy_y_to_f.log
> 
> COPYALL equals /COPY:DATSOU and DATSOU is...
> 
>      D=Data
>      A=Attributes
>      T=Timestamps
>      [ X=Skip alt data streams (X ignored if /B or /ZB) ]
>      S=Security=NTFS ACLs
>      O=Owner info
>      U=aUditing info
> 
>     Paul


Thank you!

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what is the fastest command line copy? T <T@invalid.invalid> - 2025-03-29 17:03 -0700
  Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-03-29 20:43 -0400
    Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-03-29 17:49 -0700
    Re: what is the fastest command line copy? Andy Burns <usenet@andyburns.uk> - 2025-03-30 06:55 +0000
      Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-03-31 12:08 -0700
        Re: what is the fastest command line copy? Andy Burns <usenet@andyburns.uk> - 2025-03-31 20:35 +0100
          Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-03-31 13:35 -0700
  Re: what is the fastest command line copy? Dual Boot Windows <invalid@invalid.invalid> - 2025-03-31 02:12 +0100
    Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-03-31 04:43 +0200
      Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-03-31 00:47 -0400
        Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-03-31 11:06 +0200
        Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-03-31 12:10 -0700
        Re: what is the fastest command line copy? "Jonathan N. Little" <lws4art@gmail.com> - 2025-04-01 18:56 -0400
      Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-03-31 08:21 -0400
        Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-03-31 15:47 +0200
          Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-03-31 10:54 -0400
            Re: what is the fastest command line copy? Andy Burns <usenet@andyburns.uk> - 2025-03-31 15:59 +0100
            Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-03-31 17:32 +0200
            Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-01 07:00 +0200
              Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-01 09:11 +0200
              Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-01 03:44 -0400
              Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-01 09:26 -0400
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-02 08:50 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 04:15 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 10:35 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 05:54 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 16:15 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 11:40 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 18:13 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 12:41 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 20:27 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-03 03:22 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-03 13:10 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 07:57 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 16:19 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 11:04 -0400
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 12:04 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 18:06 +0200
                Re: what is the fastest command line copy? Frank Slootweg <this@ddress.is.invalid> - 2025-04-02 12:41 +0000
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 12:15 -0400
                Re: what is the fastest command line copy? Frank Slootweg <this@ddress.is.invalid> - 2025-04-02 17:36 +0000
                Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-04-02 10:50 -0700
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-03 05:24 +0200
                Re: what is the fastest command line copy? Democrat <Democrat@invalid.invalid> - 2025-04-03 06:00 +0000
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-03 08:39 +0200
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-03 15:55 +0200
                Re: what is the fastest command line copy? Frank Slootweg <this@ddress.is.invalid> - 2025-04-03 15:06 +0000
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-04 13:55 +0200
                Re: what is the fastest command line copy? Frank Slootweg <this@ddress.is.invalid> - 2025-04-04 12:11 +0000
                Re: what is the fastest command line copy? Don_from_AZ <djatechNOSPAM@comcast.net.invalid> - 2025-04-04 10:32 -0700
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-05 05:20 +0200
                Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-04-05 00:44 -0700
                Re: what is the fastest command line copy? Daniel70 <daniel47@eternal-september.org> - 2025-04-06 20:20 +1000
                Re: what is the fastest command line copy? "Kerr-Mudd, John" <admin@127.0.0.1> - 2025-04-06 21:15 +0100
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-04 08:49 -0400
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-05 05:29 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-05 08:26 -0400
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-05 00:37 -0400
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-05 08:18 -0400
                Re: what is the fastest command line copy? Char Jackson <none@none.invalid> - 2025-04-03 11:00 -0500
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 07:53 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 16:26 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 11:03 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 18:04 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 12:36 -0400
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 13:07 -0400
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-03 04:14 -0400
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-03 08:40 -0400
                Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-04-02 10:43 -0700
                Re: what is the fastest command line copy? Char Jackson <none@none.invalid> - 2025-04-02 18:59 -0500
                Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-04-02 11:11 -0700
          Re: what is the fastest command line copy? knuttle <keith_nuttle@yahoo.com> - 2025-03-31 10:59 -0400
            Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-03-31 17:26 +0200
              Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-03-31 13:05 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-03-31 20:18 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-03-31 14:43 -0400
      Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-03-31 13:40 -0700
    Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-03-30 23:03 -0700
    Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-03-30 23:43 -0700
    Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-04-01 02:01 -0700

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