~/.ssh$ ls -al
total 28
drwx------  2 nani nani 4096 Aug 30 08:39 .
drwxr-xr-x 33 nani nani 4096 Aug 30 08:54 ..
-rw-rw-r--  1 nani nani  468 Aug 30 08:39 authorized_keys
-rw-------  1 nani nani 1766 Aug 30 07:53 id_rsa
-rw-r--r--  1 nani nani  393 Aug 30 07:53 id_rsa.pub
-rw-r--r--  1 nani nani 1482 Aug 30 08:33 putty_priv.ppk