Shalom,
Using cat to put them together will probably work.
To be certain, you would need to know how they were split in peices
The split command man page mentions several other utilities that may be helpful in putting the file back together.
See also bfs(1), csplit(1).
SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com