cp is the command of the Unix operating system that is used to copy files.

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How to Copy Large Directory to External Hard Drive Linux

I've formatted a 3TB external hard drive as ext4 using fdisk (actually gnu fdisk), mounted it at /media/external and am trying to copy my entire home directory to it. My first attempt I thought was ...
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Different performance for different USB 2.0 devices

I copied a 3.5GB file from my SATA HD to my Seagate USB 2.0 external HD in about 3 minutes. I copied the same 3.5GB file from my SATA HD to my USB 2.0 SanDisk Cruzer and it took more than 15 minutes. ...
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rtorrent copy after download

so I`m trying to do the following: When rtorrent finishes download, it should copy files from download dir to another dir called uploads, so the file would be in Downloads dir AND in Uploads dir. ...
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execute script with sudo and check security

I have a script, which I need to execute with sudo. #!/bin/bash cp "$@" /destionation/dir Is it a good script or someone can bypass the restriction destination dir ? Thanks for suggestions.
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cp -a is preserving ownership, from non-root user

When I invoke cp -a 1 2 from a non-root user, the ownership is being preserved, despite the fact that file 1 belongs to another user. My understanding was this shouldn't be possible. What is going ...
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permission denied while copying files with root

Ok, how is it possible that I get perm denied when I'm copying files in console. Any ideas?
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Merging two directory trees with same structure, but different contents in Unix

I have two directories with the following structure: A |_0 |_1 |_2 B |_0 |_1 |_2 each 0,1,2 directory contains unique contents. I want all of the contents to simply exist as: A |_0 |_1 |_2 Is ...
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How do I create numbered backups?

Some GNU utils (e.g., mv and cp) can create numbered backups (foo.~1~). Others (e.g., wget) cannot. I would like to create numbered backups before running tools which overwrite files by default. Here ...
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Why is tar|tar so much faster than cp?

For recursively copying a directory, using tar to pack up a directory and then piping the output to another tar to unpack seems to be much faster than using cp -r (or cp -a). Why is this? And why ...
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File copying times out Single User mode mac

I have an old 2009 MacBook that recently crashed. I can't boot into safe mode, but I can boot into Single User mode, verify my disk, and mount a USB drive and copy files to that USB. However, my ...
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How can I copy files recursively without overwriting the directories

On linux, let's say I have some files like this: dir1/file1 dir2/file2 and I want to copy them to a destination that already have dir1 and dir2 and looks like: dir1/file1 dir1/file1a dir2/file2 ...
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shortcut to recursively copying a directory preserving modes, ownerships and hard and symbolic links

I am using the following to recursively copy a directory while preserving modes, permissions as well as hard and symbolic links: cp -pr --preserve=links dir-a dir-b However I have the following ...
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Maintaining peak IO potential with DD / CP

I wanted to copy a file (40 gig dataset) from a single drive to a dual disk raid-0 drive. I tried with CP and it sustained read - 4mb and write - 11 mb (doesn't make sense I know (must be the stripe ...
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Is cp -au / cp --archive --update contradictory?

I want to update a directory on a backup disk with new content added to the source, and of course rsync is too slow. cp -a does the trick but is a bulldozer; cp -u should leave existing files alone. ...
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Copy from Debian to mounted CIFS share hangs

I have a backup script run by a cron job on my Debian server. It creates a .tar.gz file from /home and copies it to a mounted CIFS share onto a Windows XP machine. It has been running without a ...
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cp didn't copy all files few files were missing

How is it possible that cp didn't copy all files from a huge directory? I did cp on a large directory with 5000 files. I checked contents with diff and it was not matching! How is this possible? I ...