The XPC directory includes the script and documentation for Xmark93.

Here are the instructions for obtaining Xmark93:

1. Access via ftp: ftp.specbench.org
2. Login: anonymous
3. Password: (your e-mail address)
4. Directory: Xmark93: /dist/gpc/xpc
   IBM X11perf readme and executable: /dist/gpc/xpc/binaries/IBM
   Digital Equipment Corp. X11perf readme: /dist/gpc/xpc/binaries/Digital