Removing a file whose name is the backslash character
[root@abcdef ~]# touch \\
[root@abcdef ~]# ls -l \\
-rw-r--r--. 1 root root 0 Jul 6 09:29 \
[root@abcdef ~]# rm -f \\
[root@abcdef ~]#
ps. If you are running windows, you have corrupted NTFS.