Can not rmdir

[Edouard Saksonov]

Hi,
I've just installed FreeBSD 5.1, everything is fine, but when I wanted to remove a directory(with only one file in it), the system do not want to do that:
When I type 
    rmdir -p dir_name    ,  it gives me as an output :
>rmdir: dir_name: Directory not empty   
When I try 
    rmdir -rf dir_name    ,  it gives me as an output :
>rmdir: illegal option --r
>usage: rmdir [-p] directory ...
 
I installed FreeBSD 5.1 from the CD-ROM which comes with "Linux CD" magazine
Maybe something's wrong with this CD ?
 
Thanks in advance for your answer
Edward



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