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Editorial Team
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Asked: 2026-06-11T07:22:46+00:00

How can I join files into one without copying into new file? Source: I

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How can I join files into one without copying into new file?
Source: I have file.dd.001, file.dd.002, file.dd.003, file.dd.004 …
TASK: I have 600 files (1,5 Gb). Capacity of all these files: about 900 GB. HDD capacity: 1,5 TB. I can’t join these files with Total Commander or 7-zip, or WinRAR because of HDD capacity of copying into new file (not enough free space).
NEED: Join files, maybe do procedure several times, but:
1) Join 100 first files (150 GB). Delete splitted files (first 100).
2) Join next 100 files TO this merged file (150 GB). Delete these 100 files.
3) Join next 100 fies to merged file (300 GB)…
Question: can anybody tell me how to make it possible to merge (join) files together TO new bigger and bigger file? Maybe software exists, or last chance to solve this problem with C# code. Any ideas

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1 Answer

  1. Editorial Team

    Thanks to @Anony-Mousse with his useful Linux code samples
    Problem has been solved…
    Windows has cmd command, which I found in book Windows Forensic Analysis Dvd Toolkit 2E (2009) by Harlan Harvey at page. 448:

    D:\Images>type image.001 >  image_all.img
D:\Images>type image.002 >> image_all.img
D:\Images>type image.002 >> image_all.img

    If I have file 300 Gb (image_all.img), and I need join 50 files (1,5 Gb) to it, I need:

    D:\Images>type image.200 >> image_all.img
D:\Images>type image.201 >> image_all.img
D:\Images>type image.202 >> image_all.img
D:\Images>type image.203 >> image_all.img
….
D:\Images>type image.498 >> image_all.img
D:\Images>type image.499 >> image_all.img

    Or, better:

    D:\Images>type image.* >> image_all.img

    and it joins all files in folder (with mask) to the file image_all.img

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