System Identifiers

Name	Type[size]	Access	Description
abort_button	numeric	rw	Mouse button used to abort gin operations
all	group	r	All entities
angle_mode	string	rw	Degrees \| radians \| gradians
arc_filter	filter	r	All arc primitives
async_channel	channel	r	The current channel processing asynchronous binary events
audio	numeric	rw	Whether sound facilities are active
audio_formats	string[ ]	r	Audio formats suitable for audio recording
bit_per_pixel	numeric	r	Color representation (1,8,16,24)
box_factor	numeric	rw	Percentage to be added to extent boxes
box_margin	numeric	rw	Margin to be added to extent boxes
busy_cursor	cursor	rw	Busy cursor
button	numeric	rw	Number of the last button hit
cd	alias	rw	A built in alias to the path command
cell_filter	filter	r	All cell primitives
chan#	channel	r	Channels 1 through 32
circle_filter	filter	r	All circle primitives
clicks	numeric	r	Number of mouse clicks on the last interactive point hit
command_line	string	r	Full program command line
compound_filter	filter	r	All compound primitives
cond_precision	numeric	rw	Precision when evaluating conditions
current_date	time	r	Current date
current_dir	string	rw	Name of current working directory
current_filter	filter	rw	Filter for entity search/manipulations
current_time	time	r	Current time
current_window	window	rw	Current graphic window.
date_format	string	rw	Date/time output
date_mode	numeric	rw	Date style (1 through 7)
dberr	numeric	rw	External database error flag
dec_places	numeric	rw	Precision for float printed output
def_approx	numeric	rw	Default curve approximation factor
def_color	color	rw	Default color for new graphics
def_fragment	numeric	rw	Default fragment for new entities
def_ls	linestyle	rw	Default linestyle for dashed lines
def_marker_height	numeric	rw	Default marker height
def_ms	markerstyle	rw	Default marker style
def_rank	numeric	rw	Default rank for new entities/windows
def_text_angle	numeric	rw	Default angle for text items
def_text_height	numeric	rw	Default height for text items
def_text_just	string	rw	Default justification for text items
def_text_path	string	rw	Default for new textstyle identifiers
def_ts	textstyle	rw	Default text style
def_view	numeric	rw	Default view for new graphic windows
degs	numeric	r	Conversion factor to degrees
deployment	string	r	How the system is deployed.
dialogue	numeric	rw	Suppression of keyboard input
display_rect	numeric[4]	r	Dimensions of the graphic display
drag_files	string[ ]	r	Files names set by drag and drop
drop_files	callback	rw	Statements to execute on file drag and drop
echoing	numeric	rw	State of command echoing, 0 or 1
ee	numeric	r	Value of 3 (2.718282, etc.)
ellipse_filter	filter	r	All ellipse primitives
epick	epointer	r	Interactive select of a graphic primitive
epsg#	projection	r	EPSG projections
err	numeric	rw	Error flag
error_beep	numeric	rw	Error beep suppression
err_level	numeric	rw	Error message suppression level
err_text	string	r	Text associated with the last error
eventing	numeric	rw	State of command eventing 0 or 1
false	alias	rw	See off
file_messages	numeric	rw	Suppression of file messages
firerender_broker	string	r	The broker to which the FireRender service is registered.
firerender_channel	channel	r	The FireRender return data channel
firerender_destroy	procedure	r	Shut down the FireRender service
firerender_register	channel_function	r	Register the FireRender service with the Service Broker
firerender_request	callback	rw	Process a client request to the FireRender service
firerender_service_name	string	r	The logical name of the FireRender service
fkey	procedure[64]	rw	Function key commands
found	numeric	rw	Status of last search operation
free_channel	channel	r	A free IO channel to use
free_port	numeric	r	A free communications port to use
free_window	window	r	A free window to use
funcerr	numeric	rw	Last system function execution status
funcval	generic[ ]	rw	Current user function value
gain	numeric	rw	Volume for playing sound files
gc	point	rw	Current graphic control position
gc_display	numeric	rw	Whether gc position is to be displayed
ginput	numeric	rw	Whether a graphic input command or function is currently being executed
glabel_filter	filter	r	All glabel primitives
global	atable	r	Global atable
grads	numeric	r	Conversion factor to grads
gtext_filter	filter	r	All gtext primitives
help	procedure	rw	Help execution commands
home_dir	string	rw	Name of the program's home directory
host_id	string	r	Unique id of the workstation
host_ip	string	r	Internet IP address of the workstation
host_name	string	r	Name of the workstation
http_code	numeric	r	Status code associated with the last internet operation
http_max_connections	numeric	rw	Maximum number of concurrent internet connections to a web server
icontray_display	numeric	rw	Whether the program icon is to appear in the Windows taskbar
icontray_exec	procedure	rw	Commands to execute on pressing the icon tray icon
icontray_image	string	rw	Taskbar and icon tray icon image file
icontray_title	string	rw	Taskbar minimized title
icontray_tooltip	string	rw	Tooltip text for the icon tray icon
ident	generic	rw	Current identifier during identloop
ignore_node_size	string	rw	Node selection behavior during pick operations
instance_automap	numeric	rw	Whether to map entity files permanently during rendering
instance_filter	filter	r	All instance primitives
international	numeric	rw	Identifier names restricted to ASCII?
interrupted	numeric	rw	Status of the keyboard interrupt
label_window	window	r	Window currently being auto-annotated
limit_query_sub_commands	numeric	rw	Channel/database query command behavior
lines_filter	filter	r	All polyline primitives
ll_proj	projection	r	Longitude/latitude projection
local	atable	r	Current atable
lug_color	color	rw	Color for lug display
lug_index	numeric	rw	Index of the last entity lug picked
machine	string	r	Computer type name
machine_no	numeric	r	Computer type number
macro_name	string	r	name of the current macro
mapping	projection	rw	Current cartographic projection
max_color	numeric	r	Number of colors available on the workstation
max_cursor_size	numeric[2]	r	Maximum pixel dimensions for window cursors
menu_option	numeric	r	Number of the last menu option hit
menu_position	numeric[2]	rw	Position for pop-up menus
menu_switch	numeric	r	Status of the last menu switch hit
menus_enabled	numeric	rw	Whether on-screen menus are enabled
monitor_menubar	menupane	r	Monitor window menubar
mouse	numeric[2]	rw	Current screen position of the mouse
mouse_buttons	numeric	r	Number of physical mouse buttons
mouse_window	window	r	Window containing the mouse
mx_user_id	string	r	Effective Fire user id
network_socket	string	r	Socket name for external connections
new_window	window	r	A free window sized via a rubber box
no_change	symbology	r	"No change" symbology value
node_filter	filter	r	All node primitives
now	time	r	Current time
null	generic	r	Type-independent zeroing value
num_fkeys	numeric	r	Number of assignable function keys
num_roots	numeric	r	Number of roots from function, e.g. quadratic
obj#	component	r	External component objects (e.g. ole)
off	numeric	r	0
on	numeric	r	1
on_interrupt	procedure	rw	Keyboard interrupt handler function
os_name	string	r	Computer operating system name
p0	point	r	(0.0,0)
pi	numeric	r	Value of pi (3.14, etc.)
pick_cursor	cursor	rw	Cursor used during entity picking
pixel_mm	numeric	rw	Pixel to millimeter screen factor
polygon_filter	filter	r	All polygon primitives
polygon_validation	numeric	rw	polygon validation level
polynode_filter	filter	r	All polynode primitives
post_dump	procedure	rw	Plot metafile post-dump function
pre_dump	procedure	rw	Plot metafile pre-dump function
printer	string	rw	Name of current printer
printers	string[ ]	r	Names of available printers
print_bits	numeric	rw	Printing image bits-per-pixel
print_cursor	cursor	rw	Cursor used during communication with the printer/spooler.
print_length	numeric	rw	Printing page length
print_margin	numeric	rw	Printing left-hand space margin
print_orientation	string	r	Printing orientation (portrait/landscape)
print_paper_size	numeric	rw	Printing paper size
print_width	numeric	rw	Printing line width
prism_filter	filter	r	All prism primitives
privileged	numeric	r	Capability to run privileged commands
process_cursor	cursor	rw	Cursor used while waiting for external process to complete.
process_id	string	r	Process id
program	string	r	Program name
rads	numeric	r	Conversion factor to radians
recording	numeric	r	Whether an audio file is currently open for recording.
redraw_cursor	cursor	rw	Cursor used during the repaint of a graphic window.
scope	atable	rw	Default atable for new identifiers
scratch	string	r	Scratch directory
session_start	time	r	Session start time
srid#	projection	r	Oracle projections
stepping	numeric	rw	State of command stepping, 0 or 1
stuff	string	rw	Current contents of the stuff (cut/paste) buffer
sys_control_e	numeric	rw	State of the Control E keyboard facility
sys_control_p	numeric	rw	State of the Control P keyboard facility
sys_control_t	numeric	rw	State of the Control T keyboard facility
sys_message_file	string	rw	Name of system message file
tabs	numeric	rw	Tab stop value for monitor output
tags	point[ ]	rw	Attach tags
these	group	r	Currently selected entities
this	epointer	rw	Current modeling entity
throw_level	numeric	rw	Error severity level for exceptions
tn#	treenode	r	Tree window nodes
today	time	r	Current date
tomorrow	time	r	Day after today
tracking	procedure	rw	Mouse tracking echo function
true	alias	rw	See on
ue#	entity	r	Graphic primitives
unique_compound_name	string	r	Unique name for new compound objects
unique_gstructure_name	string	r	Unique name for new gstructure objects
units	string	rw	Current modeling units
user_id	string	r	OS login user-id
user_message_file	string	rw	Name of user message file
user_name	string	r	OS login user name
utc_mode	numeric	rw	Whether times are local or UTC
utom	numeric	r	Conversion factor from current units to meters
vector_filter	filter	r	All vector primitives
version	string	r	Program version string
version_build	numeric	r	Program build number
version_no	numeric	r	Program version number (major.minor)
web_cursor	cursor	rw	Cursor used while waiting for internet communication to complete.
win#	window	r	Windows 1 through 127
window_manager	string	r	Window manager name
window_numbers	string	rw	Whether window numbers are included in window titles
x_release	numeric	r	X-server release level
x_server	string	r	X-server type name
yesterday	time	r	Day before today

Notes

r = read only , rw = read/write