SECTION./ACAT
PRINT/ACAT [cat_name] [lowno,hino]
	print ASCII\ file catalog entries
SECTION./DESC
PRINT/DESCR frame [descr_list] [disp_flag]
	print descriptor values
SECTION./FCAT
PRINT/FCAT [cat_name] [lowno,hino]
	print fit file catalog entries
SECTION./HELP
PRINT/HELP [help_topic]
	print info about help_topic
SECTION./HIST
PRINT/HISTOGRAM table column [bin [min [max]]]
	print statistics of a column
SECTION./ICAT
PRINT/ICAT [cat_name] [lowno,hino]
	print image catalog entries
SECTION./IMAG
PRINT/IMAGE frame_specs [pixel_specs] [hide_header_flag]
	print image data values
SECTION./KEYW
PRINT/KEYWORD [key_list] [since]
	print contents of keywords
SECTION./LOGF
PRINT/LOGFILE [page_specs]
	print contents of logfile
SECTION./TABL
PRINT/TABLE table [column ...] [elem1 [elem2]] [N] [width]
PRINT/TABLE table [elem1 [elem2]] [form] [N]
	print table values on the device/file specified via ASSIGN/PRINT 
SECTION./TCAT
PRINT/TCAT [cat_name] [lowno,hino]
	print table catalog entries
