Paste example

[dakini@nibbana test]$ cat file1
11:11:11:11
22:22:22:22
33:33:33:33
44:44:44:44
55:55:55:55


[dakini@nibbana test]$ cat file2
host1
host2
host3
host4
host5


[dakini@nibbana test]$ paste file1 file2
11:11:11:11 host1
22:22:22:22 host2
33:33:33:33 host3
44:44:44:44 host4
55:55:55:55 host5