bug on linux mandrake 8.0

[address@hidden]

hi
Sorry for my language i m French.
I ve a little problem on my works directory.
I make an  error when i tape ls > -a
I ve create a file (-a) in my works directory and i can t remove it.
So i  try with:
(rm -a)
(rm *)
(mv -a a)

and i can t rename this file for delete them
Have you got any solution for this bug , because it s verry disapointed
thanks florian
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