SECTION./COMM
WRITE/COMMANDS [procnam] [par1] [par2] ... [par8]
	save commands from command buffer + write into a procedure
SECTION./DESC
WRITE/DESCR frame descr data [flg]
	store values into a descriptor
SECTION./DHEL
WRITE/DHELP frame descr text
	store help-text/comments for an existing descriptor
SECTION./FILE
WRITE/FILE file_id charbuf 
        write into an ASCII file
SECTION./IMAG
WRITE/IMAGE frame [pix_specs] data [all_flg] [process_flg]
WRITE/IMAGE CURSOR,option data [process_flg]
	update values of image frame
SECTION./KEYW
WRITE/KEYWORD key data [flg]
	write values into a keyword
SECTION./OUT
WRITE/OUT text_spec [section] [label]
	display text on terminal
SECTION./SETU
WRITE/SETUP [setup]
	modify the variables of a Setup
SECTION./TABL
WRITE/TABLE table column row_sel value
	Store a value into a table