ASCII Control Characters

In the terminal there are 32 "control characters" that do various things, that you can enter by pressing Ctrl-KEY. (explainer blog post with a million caveats)

Same as pressing a regular key

Used by readline

OS terminal driver

I use this

Important

0

Ctrl-@

NULL

1

Ctrl-A

start of line

2

Ctrl-B

cursor left

3

Ctrl-C

SIGINT

4

Ctrl-D

EOF

5

Ctrl-E

end of line

6

Ctrl-F

cursor right

7

Ctrl-G

bell 🔔

8

Ctrl-H

other backspace

9

Ctrl-I

Tab

10

Ctrl-J

newline

11

Ctrl-K

delete line forward

12

Ctrl-L

clear screen

13

Ctrl-M

Enter

14

Ctrl-N

next line

15

Ctrl-O

16

Ctrl-P

prev line

17

Ctrl-Q

unpause

18

Ctrl-R

search history

19

Ctrl-S

pause

20

Ctrl-T

SIGINFO (BSD)

21

Ctrl-U

delete line

22

Ctrl-V

"escape" next char

23

Ctrl-W

delete word

24

Ctrl-X

emacs stuff

25

Ctrl-Y

paste

26

Ctrl-Z

SIGTSTP

27

Ctrl-[

ESC

28

Ctrl-\

SIGQUIT

29

Ctrl-]

quit telnet

30

Ctrl-^

31

Ctrl-_

undo

127

Ctrl-?

backspace