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If I have a large set of small files it takes Windows a long time to copy them (say five minutes) due to the overhead per file. If I wrap them up in a container it transfers them much faster (say three minutes).

Currently I use UltraISO. But after adding many files to the ISO it becomes too slow creating the ISO file itself.

I don't want to use Zip because the overhead of zipping is slower than just transferring the files separately.

How else can I store many files in one file without using any compression?

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    The tar utility is what you are looking for. Originally from Unix, GNU has pre-compiled binaries available for Windows. It archives files together in one big file, with optional compression, using zip, gzip, bzip, 7-zip, etc.
    – MattDMo
    Aug 2, 2013 at 20:45
  • Thank you very much @ScottChamberlain . That's the question I want to ask... Aug 2, 2013 at 20:50

1 Answer 1

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I would still recommend zipping the file, however when you create the zip you need to choose to use the "store" compression settings (or whatever equivalent your software calls it)

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This wraps all the items and puts them in a container but performs no compression on them. This is a very fast opperation (I will get 30 MB/s in "store" mode vs 2 MB/s in "fastest" mode)

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  • Thanks for your answer. But 30MB per second -it's still too slow. Try ultra iso ( integrate with mouse right click button[win shell] and go to a folder > click mouse right button > click "add nameoffile.iso with ultraiso" ) It's very fast but not enough. Also, windows 8 is native iso file support. So you can move&use your files without a program. Aug 2, 2013 at 20:54

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