Ctrl shortcut key is mainly realized by adding other keys to the keyboard through Ctrl. Except for the quick operation in the system, most of them are realized in office software and other software. The details are as follows:

1, Ctrl+S saves, Ctrl+W closes the program, Ctrl+N creates, Ctrl+O opens, Ctrl+Z cancels, Ctrl+F searches, Ctrl+X cuts, Ctrl+C copies, Ctrl+V pastes, Ctrl+A selects all, Ctrl+[ reduces text, Ctrl+] enlarges text,

2.Ctrl+Shift input method switch, Ctrl+ space switch between Chinese and English, Ctrl+ Enter? Send a message in QQ number, and Ctrl+Home cursor quickly moves to the head of the file, Ctrl+End cursor quickly moves to the end of the file, Ctrl+Esc displays the start menu, and Ctrl+Shift+.

3. Most 3.Ctrl shortcuts can be used in office software such as Word.