Now that I have in my closet one linux (Sun IPX, debian 3.0), 
one netbsd (DEC 5000/25, netbsd 1.6.1), and one solaris (Sun SS20, 
Solaris 9) box, I start wondering about keeping everybody playing 
nice with each other.  For instance, take /etc/hosts: should I use 
NIS/YP so I have to change only one file?  What about LDAP?  Or, 
should I physically copy the file in case the machine hosting the 
main file is down?  Or, should I have one machine as the internal DNS 
and go from there (probably this one can be done independently from 
the above issue ;)?

How about sharing files between then?  Since the SS20/Sol9 box has 
the largest HD, should I just mount its /home in the other machines? 
If so, NFS is the way or I can use another approach... including 
perhaps even samba so I can mount the very same partition in the PCs 
without having another service running?

Decisions... decisions...