Split and join big files

For example, for copying big file using FAT32 filesystem that has limit of 4 GB per file.

Split big file at Linux or Mac

split -b 3G bigfile.zip e

Will produce files like: eaa, eab, eac, ead

Join file at Linux or Mac

cat eaa eab eac ead > bigfile.zip

Split file at Windows

https://stackoverflow.com/questions/5693795/windows-command-to-split-a-binary-file

Join file at Windows

copy /b eaa + eab + eac + ead bigfile.zip