vncsnapshot options host:display JPEG-filename

vncsnapshot options host::port JPEG-filename

vncsnapshot options -listen local-display JPEG-filename

vncsnapshot options -tunnel host:display JPEG-filename

vncsnapshot options -via gateway host:display JPEG-filename

The -listen, -tunnel and -via options have not been tested on Windows systems.

-cursor
-nocursor	 		Attempt to include, or exclude, the mouse cursor from the snapshot.
			Currently, this works only when the remote server is TightVNC 1.2.7
			or later. Other servers do not respond to these options and may or
			may not include the cursor in the snapshot.
-passwd filename		Read encrypted password from filename instead of from the console.
			The filename can be made with the vncpasswd utility included in the
			vncsnapshot distribution.
-encodings list		Use the given encodings. The default is
			    "copyrect tight hextile zlib corre rre"
			or
			    "raw copyrect tight hextile zlib corre rre"
			when VNC snapshot and the server are on the same machine.
-compresslevel level	Compress network messages to level, if the server supports it. level is 
			between 0 and 9, with 0 being no compression and 9 the maximum. 
			The default is 4.
-allowblank 
-ignoreblank	 	Allow, or ignore, blank (all black) screens from the server. The default is 
			to ignore blank screens, and to wait for the first non-blank screen instead. 
			This is useful with some versions of RealVNC, which send an all-black screen 
			initially before sending the actual screen image.
-vncQuality quality		Use the specified image quality level (0-9) for tight encoding. 
			The default is 9.
-quality quality		Use the specified JPEG image quality (0-100) for the output file. 
			The default is 100.
-quiet			Do not print any messages. Opposite of -verbose.
-verbose			Print messages; default.
-rect wxh+x+y	 	Save a sub-rectangle of the screen, width w height h offset from the left 
			by x and the top by y. A negative number for x or y makes it an offset 
			from the opposite edge. A zero value for the width or height makes the 
			snapshot extend to the right or bottom of the screen, respectively.
			The default is the entire screen.
-count number	 	Take number snapshots; default 1. If greater than 1, vncsnapshot will
			insert a five-digit sequence number just before the output file's
			extension; i.e. if you specify out.jpeg as the output file, it will create
			out00001.jpeg, out00002.jpeg, and so forth.
-fps rate	 		When taking multiple snapshots, take them every rate seconds; default 60.

	echo -n "SECRET" | vnsnapshot ...

	VNC_TICKET="SECRET"
	vncsnapshot ...