Command	                             Description	Informal syntax

*BYE	Exit the interpreter and return to the calling program.  Synonymous with *QUIT.	OSCLI "BYE"
*CD	Print the current working directory.  If followed by a name, acts as *CHDIR.	OSCLI "CD" [+ " """ + name$ + """"]
*CHDIR	Change the current working directory (folder) to a different drive and/or path.	OSCLI "CHDIR """ + directory$ + """"
*COPY	Copy a file, the extensions default to .bbc (add a trailing dot if none).	OSCLI "COPY """ + srcfile$ + """ """ + dstfile$ + """"
*DEL	Delete the specified file, the extension defaults to .bbc (add a dot if none).	OSCLI "DEL """ + file$ + """"
*DELETE	Synonymous with *DEL.
*DIR	List the disk directory, optionally specifying the directory and/or filename.	OSCLI "DIR" [+ " """ + afsp$ + """"]
*.	Synonymous with *DIR.
*DISPLAY	Display an image (BMP, GIF, JPG, PNG) optionally specifying posn, size and key.	OSCLI "DISPLAY """ + file$ + """ " [+ STR$(x%) + "," + STR$(y%) + "," + STR$(w%) + "," + STR$(h%) [+ "," + STR$~key%]]
*DUMP	List the hex contents of a file, optionally specifying the start and length.	OSCLI "DUMP """ + file$ + """ " [+ STR$~start% [+ " +" + STR$~length%]]
*ERA	Synonymous with *DEL.
*ERASE	Synonymous with *ERA and *DEL.
*ESC	Enable or disable the abort/error action of the ESCape or Back key (ERR = 17).	OSCLI "ESC ON|OFF" 
*EXEC	Accept console input from the specified file rather than from the keyboard.	OSCLI "EXEC """ + file$ + """"
*FLOAT	Select the floating-point precision used by indirection (|) and data files.	OSCLI "FLOAT 40|64|80"
*FONT	Select the required font file (TTF or OTF), size and, optionally, attribute(s).	OSCLI "FONT """ + font$ + """," + STR$(points%) [+ ",BIUQ"]
*FX	Ignored except for *FX 15,n and *FX 21,n which flush the specified buffer.	OSCLI "FX " + STR$(number%) [+ "," + STR$(buffer%)]
*FX19	Force a screen refresh, synonymous with *REFRESH (with no parameters).
*FX20	Restore all User Defined Characters to their default appearance.
*GSAVE	Save the output window, or a specified rectangle, to a BMP-format image file.	OSCLI "GSAVE """ + file$ + """ " [+ STR$(x%) + "," + STR$(y%) + "," + STR$(w%) + "," + STR$(h%)] 
*HELP	Print the name and version number of BBC BASIC.					OSCLI "HELP"
*HEX	Set hexadecimal conversion (& and ~) and shifts (<< and >>>) to 32 or 64 bits.	OSCLI "HEX 32|64"
*INPUT	Redirect console input to come from the specified input channel (0 = keyboard).	OSCLI "INPUT " + STR$(channel%)
*KEY	Redefine a function or cursor key to return the specified string (or not).	OSCLI "KEY " + STR$(keynum%) [+ " """ + string$ + """"]
*LIST	List the specified internal format (tokenised, .bbc) program file.		OSCLI "LIST """ + progfile$ + """"
*LOAD	Load a file into memory at the specified hex address and maximum length.	OSCLI "LOAD """ + file$ + """ " + STR$~address%% + " " + STR$~maxlen%
*LOCK	Set the specified file to 'read-only' status, the extension defaults to .bbc.	OSCLI "LOCK """ + file$ + """"
*LOWERCASE	Enable or disable accepting keywords, hex and E-format numbers in lowercase.	OSCLI "LOWERCASE ON|OFF"
*MD	Create a new directory (folder) with the specified relative or absolute name.	OSCLI "MKDIR """ + directory$ + """"
*MDISPLAY	As *DISPLAY but read the image data from memory rather than from a file.	OSCLI "MDISPLAY " + STR$~address%% + " " [+ STR$(x%) + "," + STR$(y%) + "," + STR$(w%) + "," + STR$(h%) [+ "," + STR$~key%]]
*MKDIR	Synonymous with *MD.
*OSK	Enable or disable the On Screen Keyboard (effective only in Android and iOS).	OSCLI "OSK ON|OFF"
*OUTPUT	Redirect console output to go to the specified output channel (0 = screen).	OSCLI "OUTPUT " + STR$(channel%)
*QUIT	Synonymous with *BYE (and with the QUIT statement).				OSCLI "QUIT"
*RD	Remove (delete) the directory with the specified relative or absolute name.	OSCLI "RMDIR """ + directory$ + """"
*REFRESH	Enable or disable automatic screen refresh, or force an immediate refresh.	OSCLI "REFRESH [ON|OFF]"
*REN	Rename a file, the extensions default to .bbc (add a trailing dot if none).	OSCLI "REN """ + oldname$ + """ """ + newname$ + """"
*RENAME	Synonymous with *REN.
*RMDIR	Synonymous with *RD.
*RUN	Run an external command or executable program, optionally not waiting.		OSCLI "RUN " + command$ [;]
*/	Synonymous with *RUN.
*SAVE	Save an area of memory to the specified file, the extension defaults to .bbc.	OSCLI "SAVE """ + file$ + """ " + STR$~start%% + " +" + STR$~length%
*SCREENSAVE	Synonymous with *GSAVE.
*SPOOL	Copy subsequent console output to the specified file, or terminate spooling.	OSCLI "SPOOL" [+ " """ file$ + """"]
*SPOOLON	Append all subsequent console output to the specified file.		OSCLI "SPOOLON """ + file$ + """"
*STEREO	Set the position on the stereo stage −127..+127 of the specified SOUND channel.	OSCLI "STEREO " + STR$(chan%) + "," + STR$(pan%)
*SYS	Select what events will result in an ON SYS (or ON MOUSE) interrupt.		OSCLI "SYS " + STR$(num%)
*TEMPO	Set the units (centiseconds) of the duration parameter of the SOUND statement.	OSCLI "TEMPO " + STR$(num%)
*TIMER	Set the periodicity, in milliseconds, of the ON TIME interrupt.			OSCLI "TIMER " + STR$(num%)
*TV	Ignored, for compatibility with BBC Micro programs.
*TYPE	Print the specified text file to the screen, the extension defaults to .bbc.	OSCLI "TYPE """ + file$ + """"
*UNLOCK	Set the specified file to 'read/write' status, the extension defaults to .bbc.	OSCLI "UNLOCK """ + file$ + """"
*VOICE	Assign the specified 'voice' ('waveform' or 'stop', 0-7) to a SOUND channel.	OSCLI "VOICE " + STR$(chan%) + "," + STR$(wave%)
*|	A comment; anything following the '|' up to the end of the line is ignored.

	The OSCLI form of the command must be used if the parameters include variables.
	Directory and file names must be quoted if they include a space or punctuation.
