ultrix man page for xf

xf(8)							      System Manager's Manual							     xf(8)

Name
       xf - transparent filter

Syntax
       /usr/lib/lpdfilters/xf

Description
       The  filter  is a transparent filter. The filter simply concatenates data directly to the printer. The filter may be used with any printer.
       This filter allows device specific escape characters and control sequences to reach the printer.

       There are no command line arguments passed to the filter by and the filter does not maintain any accounting information.

       The filter should be specified in the xf field of the file.  For further information, see It is invoked when the -x option is used with the
       command to print a job. Prior to its invocation the filter specified in the of field is invoked to print the banner page upon completion it
       is stopped and the filter sends the job to the printer.

Files
See Also
       lpr(1), pr(1), printcap(5), lpd(8), MAKEDEV(8), pac(8)
       ``Line Printer Spooler Manual,'' ULTRIX Supplementary Documents, Volume 2: Programmer

																	     xf(8)