How to connect two linux machines via ethernet cable

Assume :

• Computer A has ip address 192.168.0.1
• Computer B has ip address 192.168.0.2

On Computer A:

/sbin/ifconfig eth0 192.168.0.1 netmask 255.255.255.0 up
/sbin/route add -host 192.168.0.2 eth0

On Computer B:
 

/sbin/ifconfig eth0 192.168.0.2 netmask 255.255.255.0 up
/sbin/route add -host 192.168.0.1 eth0

Now on Computer A you should be able to ping Computer B:

ping 192.168.0.2

and must be able to do viceversa........  :)