On Linux systems you can do so with: cat output.file.* > input.file Thanks to Gilles for this important addition.īefore you can access the file again you need to merge its parts first. The filesize of matches exactly the maximum file size of your FAT32 formatted USB drive, which is 4 Gibibyte (GiB, that's not the same as Gigabyte GB) minus 1 Byte. This will create the following files: 4,0G See man split for the full documentation. for your case: split -b4294967295 /path/to/input.file /path/to/pen/drive/output.file. Most archive managers come with the split option and for the command line there's split, e.g.
If you don't want to reformat your USB drive or need it to be FAT32 you can simply split your big file into parts.
