Vi编辑异常退出解决

E325: ATTENTION
Found a swap file by the name ".my.cnf.swp"
owned by: root   dated: Tue Jun 21 22:42:20 2016
file name: /etc/my.cnf
modified: YES
user name: root   host name: VM_67_180_centos
process ID: 30244
While opening file "my.cnf"
dated: Tue Jun 21 22:36:20 2016

(1) Another program may be editing the same file.  If this is the case,
be careful not to end up with two different instances of the same
file when making changes.  Quit, or continue with caution.
(2) An edit session for this file crashed.
If this is the case, use ":recover" or "vim -r my.cnf"
to recover the changes (see ":help recovery").
If you did this already, delete the swap file ".my.cnf.swp"
to avoid this message.
"my.cnf" 146L, 4727C
Press ENTER or type command to continue

[root@VM_67_180_centos etc]# ls -a

[root@VM_67_180_centos etc]# rm .my.cnf.swp