Our new X11 R6 CD-ROM, a companion to our X Window System Administrator's Guide (Volume 8 of the X Window series), is a helpful resource for system administrators and programmers alike.The X CD-ROM contains: Precompiled binaries for X11, Release 6 (X11 R6) for the following platforms: Sun4, Solaris, HP-UX on the HP700, DEC Alpha, DEC ULTRIX, and IBM RS6000 X11 R6 source code from the 'core' and 'contrib' directories X11 R5 source code from the 'core' directory Examples from O'Reilly and Associates X Window System series books and The X Resource journalThe package includes a 126-page book describing the contents of the CD-ROM, how to install the R6 binaries, and how to build X11 for other platforms. The book also contains the X Consortium release notes for Release 6.O'Reilly and Associates used to offer this CD-ROM with Volume 8,X Window System Administator's Guide of the X Window System series. Offering it separately allows system administrators to purchase the book and the CD-ROM in any quantities they choose.System administrators, please note: X programmers who want to port or test their X applications for Release 6 will want this CD now so that their updated programs will be ready to publish when Release 6 is available as the standard release from vendors.