How to simulate NUL character from keyboard?

问题

Can we type NUL character (HEX 0) from the keyboard?

Most of the printable character starts from HEX value 20.

回答1:

See if this control character works:

Ctrl+@

回答2:

Ctrl+spacebar works for both Windows and Linux platforms.

回答3:

According to Wikipedia

Ctrl+SPACE works on many terminals (worked for me).

回答4:

Press and hold Alt and type Num Pad 0Num Pad 0Num Pad 0 then release Alt

Note: You must use the 0 key on the numeric key pad (a regular 0 key won't work for this), and you have to hold down Alt the whole time. The keystroke isn't emitted until you release the Alt key.

回答5:

In editing fields in SQL Server, it is Control Zero (Ctrl + 0)

来源：https://stackoverflow.com/questions/9124786/how-to-simulate-nul-character-from-keyboard