Linux file locks ?

[Mathias Waack]

"Robert" <k.robert at gmx.de> wrote:

> but whats funny, even if a file is opened and locked this way,
> it maybe deleted (rm
> x.lock) without a notice!? 


Thats a feature, not a bug;)
Removing a file is (at least in Unix) an operation of a directory. It 
changes the contents of the containing directory and does not touch 
the file. 

> How would one lock a file against
> removing ? 

Use proper permissions or ACLs. 

Mathias