ASCII Control Characters Code

ASCII Control Characters (Character Code 0-31)

The first 32 characters in the ASCII-table are unprintable control codes and are used to control peripherals such as printers.

DEC	Symbol	HTML Number	HTML Name	Description
0	NUL	�		Null char
1	SOH			Start of Heading
2	STX			Start of Text
3	ETX			End of Text
4	EOT			End of Transmission
5	ENQ			Enquiry
6	ACK			Acknowledgment
7	BEL			Bell
8	BS			Back Space
9	HT				Horizontal Tab
10	LF	
		Line Feed
11	VT			Vertical Tab
12	FF			Form Feed
13	CR	
		Carriage Return
14	SO			Shift Out / X-On
15	SI			Shift In / X-Off
16	DLE			Data Line Escape
17	DC1			Device Control 1 (oft. XON)
18	DC2			Device Control 2
19	DC3			Device Control 3 (oft. XOFF)
20	DC4			Device Control 4
21	NAK			Negative Acknowledgement
22	SYN			Synchronous Idle
23	ETB			End of Transmit Block
24	CAN			Cancel
25	EM			End of Medium
26	SUB			Substitute
27	ESC			Escape
28	FS			File Separator
29	GS			Group Separator
30	RS			Record Separator
31	US			Unit Separator

Other ASCII Codes Links:

ASCII Printable Characters (Character Code 32-127)

The Extended ASCII Codes (Character Code 128-255)