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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Does cp -v print out the file name when it starts copying it or when it's done? (lemmy.ml)

submitted 11 months ago* (last edited 11 months ago) by HiddenLayer5@lemmy.ml to c/linux@lemmy.ml

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So if I had a cp -v operation fail, is the last file name it printed out the last successful file copy, or is it the failed partially copied file? If you had to ensure all files are copied correctly without overwriting anything, would deleting the last filename that was printed from the destination folder delete the partially copied file that the operation failed on?

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[–] Frederic@beehaw.org 6 points 11 months ago (1 children)

I think the one being currently copied? take a look at https://github.com/coreutils/coreutils/blob/master/src/cp.c :)

[–] flux@beehaw.org 1 points 11 months ago

Another way to check is to

strace cp testfile testfile2

and the sequence in which the message is printed and operations performed can be studied.

It's perhaps a lot to read, but linux tracing tools are worth learning!