Ubuntu's ls has no such "O" option. Typically in linux I see special
file permission settings including sticky bit using "ls -l".
Thanks,
A
> You might want to use ls -lO to see if any special chflags have been set
> to prevent the deletion of the files or directory. From man ls(1):
>
> -O Include the file flags in a long (-l) output. the chflags(1)
> options show up as - or + signs.
>
> I'm using FreeBSD but, I think, Ubuntu supports the same ls(1) options.
>
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