This book describes the X Network Protocol which underlies all software for Version 11 of the X Window System. It includes protocol clarifi-cations of X11 Release 5, as well as the most recent version of the ICCCM and the Logical Font Conventions Manual. It can be used with any release of X.

X window sistem, imenovan tudi X, je omrežno transparentni sistem računalniških zaslonskih oken.

Covering X11 Release 5, the Xlib Programming Manual is a complete guide to programming the X library (Xlib), the lowest level of programming interface to X. It includes introductions to internationalization, device-independent color, font service, and scalable fonts. Includes chapters on: X Window System concepts A simple client application Window attributes The graphics context Graphics in practice Color Events Interclient communication Internationalization The Resource Manager A complete client application Window management This manual is a companion to Volume 2, Xlib Reference Manual.