KDE klock allows local users to kill arbitrary processes by specifying an arbitrary PID in the .kss.pid file.
| Name | Vendor | Start Version | End Version | 
|---|---|---|---|
| Freebsd | Freebsd | 6.2-stable (including) | 6.2-stable (including) | 
| Kde | Kde | 1.0 (including) | 1.0 (including) | 
| Linux_kernel | Linux | 2.6.20.1 (including) | 2.6.20.1 (including) |