_______________
| | _______________
| xterm | | |
| __________| | Xserver |
| | | | |
_______ | | Xtoolkit | | _________|
| | | |----------| | | |
| a.out | | | Xlib | | | xdriver |
|_______| |____|__________| |_____|_________|
| | | | | |
| libc | | libc | | libc |
|_______| |_______________| |_______________| USER
| | | | | |
____|________|_________|_________|______|__|_______
| | | | | |
___|________|___ ___|_________|___ | |
| | | | | [drv?]
| pty | | IPC(socket) | | |
|________________| |_________________|[drv]|
| | KERN
________________________________________|__|_______
__________| |
_____|_____ ___|___
| | | |
| KBD/Mouse | | Video |
|___________| |_______| HW
___________________________________________________
