how install lib...

i download a boost library from net on/by window machine...i am using telnet connection.then how can i untar/compile/install boost library to /usr/local/lib...on my unix machine.

I bet there is a documentation coming with it or where you got it from.
To untar

# if *.tar
tar xvf ...
# if *.tgz
tar xvzf

Maybe you do a configure, make, make install. Idk, read the documentation please.