Question as to whether Ubuntu or UbuntuMATE is 32 bit

[Peter Flynn]

On 01/09/18 21:34, Bret Busby wrote:
> I have read, regarding RISC OS, that
> 
> "
> The file system abstraction layer API uses 32-bit file offsets, making
> the largest single file 4 GiB (minus 1 byte) long.
> "
> 
> - https://en.wikipedia.org/wiki/RISC_OS
> 
> Now, that makes me wonder whether Ubuntu Linux, or, UbuntuMATE Linux,
> is limited to 32 bit.

It's not the operating system but the file system which is at issue 
here. Are the source and target file systems the same?

> The reason that this has arisen, is that I have a 4.5GB file that I
> can not move - I have tried to move (using cut and paste) the file,
> using both caja and PCManFM, and, with both, I get the problem that
> the file is "too large to be spliced", and, a filesize limit of 4GB
> apparently applies

I wouldn't use a GUI application to manage files that size. What happens 
if you do it in a terminal window with the mv command?

Is the file backed up somewhere?

///Peter